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163190663540736 = 2123131531366713
BaseRepresentation
bin100101000110101111001001…
…100001111111000000000000
3210101210212121221001201211220
4211012233021201333000000
5132342203434331300421
61335024431134035040
746242064525661166
oct4506571141770000
9711725557051756
10163190663540736
1147aa7854219117
121637753b048a80
137009a7646b390
142c42682567236
1513cee6c54c3c6
hex946bc987f000

163190663540736 has 208 divisors, whose sum is σ = 468630527872416. Its totient is φ = 50208480165888.

The previous prime is 163190663540711. The next prime is 163190663540741. The reversal of 163190663540736 is 637045366091361.

It is a tau number, because it is divible by the number of its divisors (208).

It is a self number, because there is not a number n which added to its sum of digits gives 163190663540736.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2446126516 + ... + 2446193228.

It is an arithmetic number, because the mean of its divisors is an integer number (2253031384002).

Almost surely, 2163190663540736 is an apocalyptic number.

163190663540736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163190663540736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234315263936208).

163190663540736 is an abundant number, since it is smaller than the sum of its proper divisors (305439864331680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163190663540736 is a wasteful number, since it uses less digits than its factorization.

163190663540736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82066 (or 82044 counting only the distinct ones).

The product of its (nonzero) digits is 44089920, while the sum is 60.

The spelling of 163190663540736 in words is "one hundred sixty-three trillion, one hundred ninety billion, six hundred sixty-three million, five hundred forty thousand, seven hundred thirty-six".