165213153022604 has 24 divisors (see below), whose sum is σ = 289200421633200. Its totient is φ = 82584462949056.

The previous prime is 165213153022601. The next prime is 165213153022661. The reversal of 165213153022604 is 406220351312561.

It is not an unprimeable number, because it can be changed into a prime (165213153022601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384075854 + ... + 384505770.

It is an arithmetic number, because the mean of its divisors is an integer number (12050017568050).

Almost surely, 2^{165213153022604} is an apocalyptic number.

It is an amenable number.

165213153022604 is a deficient number, since it is larger than the sum of its proper divisors (123987268610596).

165213153022604 is a wasteful number, since it uses less digits than its factorization.

165213153022604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455417 (or 455415 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 165213153022604 in words is "one hundred sixty-five trillion, two hundred thirteen billion, one hundred fifty-three million, twenty-two thousand, six hundred four".