625163670 has 192 divisors, whose sum is σ = 1789691904. Its totient is φ = 156764160.

The previous prime is 625163663. The next prime is 625163687. The reversal of 625163670 is 76361526.

625163670 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×625163670² = 781659228575737800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3239094 + ... + 3239286.

It is an arithmetic number, because the mean of its divisors is an integer number (9321312).

Almost surely, 2^625163670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 625163670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (894845952).

625163670 is an abundant number, since it is smaller than the sum of its proper divisors (1164528234).

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

625163670 is a wasteful number, since it uses less digits than its factorization.

625163670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289 (or 277 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 625163670 is about 25003.2731857251. The cubic root of 625163670 is about 855.0625992948.

The spelling of 625163670 in words is "six hundred twenty-five million, one hundred sixty-three thousand, six hundred seventy".