625130031445164 has 144 divisors (see below), whose sum is σ = 1913273548070976. Its totient is φ = 168004514304000.

The previous prime is 625130031445141. The next prime is 625130031445187. The reversal of 625130031445164 is 461544130031526.

625130031445164 is a `hidden beast` number, since 6 + 2 + 5 + 13 + 0 + 0 + 31 + 445 + 164 = 666.

It is an interprime number because it is at equal distance from previous prime (625130031445141) and next prime (625130031445187).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35021787 + ... + 49767314.

It is an arithmetic number, because the mean of its divisors is an integer number (13286621861604).

Almost surely, 2^{625130031445164} is an apocalyptic number.

It is an amenable number.

625130031445164 is an abundant number, since it is smaller than the sum of its proper divisors (1288143516625812).

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

625130031445164 is a wasteful number, since it uses less digits than its factorization.

625130031445164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84790856 (or 84790851 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 625130031445164 in words is "six hundred twenty-five trillion, one hundred thirty billion, thirty-one million, four hundred forty-five thousand, one hundred sixty-four".