165912095232 has 560 divisors, whose sum is σ = 553022604288. Its totient is φ = 49358315520.

The previous prime is 165912095231. The next prime is 165912095333. The reversal of 165912095232 is 232590219561.

165912095232 is a `hidden beast` number, since 1 + 6 + 591 + 2 + 0 + 9 + 52 + 3 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165912095231) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 150418393 + ... + 150419495.

Almost surely, 2^165912095232 is an apocalyptic number.

165912095232 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 165912095232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276511302144).

165912095232 is an abundant number, since it is smaller than the sum of its proper divisors (387110509056).

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

165912095232 is an equidigital number, since it uses as much as digits as its factorization.

165912095232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183 (or 1152 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The spelling of 165912095232 in words is "one hundred sixty-five billion, nine hundred twelve million, ninety-five thousand, two hundred thirty-two".