165604160360 has 32 divisors (see below), whose sum is σ = 392220381600. Its totient is φ = 62755260480.

The previous prime is 165604160357. The next prime is 165604160377. The reversal of 165604160360 is 63061406561.

It is a Harshad number since it is a multiple of its sum of digits (38).

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, 108949346 + ... + 108950865.

It is an arithmetic number, because the mean of its divisors is an integer number (12256886925).

Almost surely, 2^165604160360 is an apocalyptic number.

165604160360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165604160360 is an abundant number, since it is smaller than the sum of its proper divisors (226616221240).

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

165604160360 is a wasteful number, since it uses less digits than its factorization.

165604160360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217900241 (or 217900237 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 165604160360 in words is "one hundred sixty-five billion, six hundred four million, one hundred sixty thousand, three hundred sixty".