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16166305792 = 21472131549
BaseRepresentation
bin11110000111001011…
…00100000000000000
31112201122202102110101
433003211210000000
5231102033241132
611232100012144
71111421221600
oct170345440000
945648672411
1016166305792
1169465048aa
123172091054
1316a8373c20
14ad50a2c00
156493e67e7
hex3c3964000

16166305792 has 180 divisors, whose sum is σ = 40529502300. Its totient is φ = 6391332864.

The previous prime is 16166305769. The next prime is 16166305913. The reversal of 16166305792 is 29750366161.

It can be written as a sum of positive squares in 2 ways, for example, as 3822206976 + 12344098816 = 61824^2 + 111104^2 .

It is a super-2 number, since 2×161663057922 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10435834 + ... + 10437382.

Almost surely, 216166305792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16166305792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20264751150).

16166305792 is an abundant number, since it is smaller than the sum of its proper divisors (24363196508).

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

16166305792 is an equidigital number, since it uses as much as digits as its factorization.

16166305792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1604 (or 1571 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 46.

The spelling of 16166305792 in words is "sixteen billion, one hundred sixty-six million, three hundred five thousand, seven hundred ninety-two".