625065015556164 has 24 divisors (see below), whose sum is σ = 1458488098156320. Its totient is φ = 208354567777024.

The previous prime is 625065015556031. The next prime is 625065015556199. The reversal of 625065015556164 is 461655510560526.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48695634 + ... + 60178025.

It is an arithmetic number, because the mean of its divisors is an integer number (60770337423180).

Almost surely, 2^{625065015556164} is an apocalyptic number.

It is an amenable number.

625065015556164 is an abundant number, since it is smaller than the sum of its proper divisors (833423082600156).

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

625065015556164 is a wasteful number, since it uses less digits than its factorization.

625065015556164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109352099 (or 109352097 counting only the distinct ones).

The product of its (nonzero) digits is 32400000, while the sum is 57.

The spelling of 625065015556164 in words is "six hundred twenty-five trillion, sixty-five billion, fifteen million, five hundred fifty-six thousand, one hundred sixty-four".