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168169608192 = 21031992391151
BaseRepresentation
bin1001110010011110110…
…0001001010000000000
3121002002000210020121010
42130213230021100000
510223402404430232
6205131150200520
715102254040615
oct2344754112000
9532060706533
10168169608192
11653583a5773
12287137b3140
1312b20985901
1481d492c50c
154593cdc0cc
hex2727b09400

168169608192 has 176 divisors, whose sum is σ = 452763648000. Its totient is φ = 55493222400.

The previous prime is 168169608169. The next prime is 168169608221. The reversal of 168169608192 is 291806961861.

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, 146106817 + ... + 146107967.

Almost surely, 2168169608192 is an apocalyptic number.

168169608192 is a gapful number since it is divisible by the number (12) 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 168169608192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226381824000).

168169608192 is an abundant number, since it is smaller than the sum of its proper divisors (284594039808).

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

168169608192 is a wasteful number, since it uses less digits than its factorization.

168169608192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1612 (or 1594 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 57.

The spelling of 168169608192 in words is "one hundred sixty-eight billion, one hundred sixty-nine million, six hundred eight thousand, one hundred ninety-two".