655005165 has 32 divisors (see below), whose sum is σ = 1085978880. Its totient is φ = 336720384.

The previous prime is 655005157. The next prime is 655005179. The reversal of 655005165 is 561500556.

It is not a de Polignac number, because 655005165 - 2³ = 655005157 is a prime.

It is a congruent number.

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, 406792 + ... + 408398.

It is an arithmetic number, because the mean of its divisors is an integer number (33936840).

Almost surely, 2^655005165 is an apocalyptic number.

It is an amenable number.

655005165 is a deficient number, since it is larger than the sum of its proper divisors (430973715).

655005165 is a wasteful number, since it uses less digits than its factorization.

655005165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2581.

The product of its (nonzero) digits is 22500, while the sum is 33.

The square root of 655005165 is about 25593.0686905654. The cubic root of 655005165 is about 868.4568429974.

The spelling of 655005165 in words is "six hundred fifty-five million, five thousand, one hundred sixty-five".