165182385297320 has 32 divisors (see below), whose sum is σ = 371839999955400. Its totient is φ = 66041019356928.

The previous prime is 165182385297317. The next prime is 165182385297323. The reversal of 165182385297320 is 23792583281561.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (165182385297317) and next prime (165182385297323).

It can be written as a sum of positive squares in 4 ways, for example, as 81458531091844 + 83723854205476 = 9025438^2 + 9150074^2 .

It is not an unprimeable number, because it can be changed into a prime (165182385297323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 997877519 + ... + 998043038.

Almost surely, 2^{165182385297320} is an apocalyptic number.

165182385297320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165182385297320 is an abundant number, since it is smaller than the sum of its proper divisors (206657614658080).

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

165182385297320 is a wasteful number, since it uses less digits than its factorization.

165182385297320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1995922637 (or 1995922633 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 62.

The spelling of 165182385297320 in words is "one hundred sixty-five trillion, one hundred eighty-two billion, three hundred eighty-five million, two hundred ninety-seven thousand, three hundred twenty".