163602064321225 has 24 divisors (see below), whose sum is σ = 226105144014240. Its totient is φ = 116699429157120.

The previous prime is 163602064321183. The next prime is 163602064321271. The reversal of 163602064321225 is 522123460206361.

It is not a de Polignac number, because 163602064321225 - 2³⁹ = 163052308507337 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10130150707 + ... + 10130166856.

It is an arithmetic number, because the mean of its divisors is an integer number (9421047667260).

Almost surely, 2^{163602064321225} is an apocalyptic number.

It is an amenable number.

163602064321225 is a deficient number, since it is larger than the sum of its proper divisors (62503079693015).

163602064321225 is a wasteful number, since it uses less digits than its factorization.

163602064321225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20260317609 (or 20260317604 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 163602064321225 in words is "one hundred sixty-three trillion, six hundred two billion, sixty-four million, three hundred twenty-one thousand, two hundred twenty-five".