165080578158 has 48 divisors (see below), whose sum is σ = 376638472080. Its totient is φ = 52111475712.

The previous prime is 165080578151. The next prime is 165080578163. The reversal of 165080578158 is 851875080561.

165080578158 is a `hidden beast` number, since 1 + 6 + 50 + 8 + 0 + 578 + 15 + 8 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165080578151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 853860 + ... + 1029192.

It is an arithmetic number, because the mean of its divisors is an integer number (7846634835).

Almost surely, 2^165080578158 is an apocalyptic number.

165080578158 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

165080578158 is an abundant number, since it is smaller than the sum of its proper divisors (211557893922).

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

165080578158 is a wasteful number, since it uses less digits than its factorization.

165080578158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178113 (or 178110 counting only the distinct ones).

The product of its (nonzero) digits is 2688000, while the sum is 54.

The spelling of 165080578158 in words is "one hundred sixty-five billion, eighty million, five hundred seventy-eight thousand, one hundred fifty-eight".