165860182072 has 32 divisors (see below), whose sum is σ = 349471291680. Its totient is φ = 73222554240.

The previous prime is 165860182069. The next prime is 165860182099. The reversal of 165860182072 is 270281068561.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34667379 + ... + 34672162.

It is an arithmetic number, because the mean of its divisors is an integer number (10920977865).

Almost surely, 2^165860182072 is an apocalyptic number.

It is an amenable number.

165860182072 is an abundant number, since it is smaller than the sum of its proper divisors (183611109608).

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

165860182072 is a wasteful number, since it uses less digits than its factorization.

165860182072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69339583 (or 69339579 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 46.

The spelling of 165860182072 in words is "one hundred sixty-five billion, eight hundred sixty million, one hundred eighty-two thousand, seventy-two".