165313220418192 has 160 divisors (see below), whose sum is σ = 543303454924800. Its totient is φ = 42938498762880.

The previous prime is 165313220418173. The next prime is 165313220418287. The reversal of 165313220418192 is 291814022313561.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 456223008 + ... + 456585215.

It is an arithmetic number, because the mean of its divisors is an integer number (3395646593280).

Almost surely, 2^{165313220418192} is an apocalyptic number.

165313220418192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

165313220418192 is an abundant number, since it is smaller than the sum of its proper divisors (377990234506608).

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

165313220418192 is a wasteful number, since it uses less digits than its factorization.

165313220418192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912808266 (or 912808246 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 48.

The spelling of 165313220418192 in words is "one hundred sixty-five trillion, three hundred thirteen billion, two hundred twenty million, four hundred eighteen thousand, one hundred ninety-two".