625611566432 has 24 divisors (see below), whose sum is σ = 1271404153152. Its totient is φ = 302715273600.

The previous prime is 625611566353. The next prime is 625611566441. The reversal of 625611566432 is 234665116526.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315327419 + ... + 315329402.

It is an arithmetic number, because the mean of its divisors is an integer number (52975173048).

Almost surely, 2^625611566432 is an apocalyptic number.

625611566432 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

625611566432 is an abundant number, since it is smaller than the sum of its proper divisors (645792586720).

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

625611566432 is a wasteful number, since it uses less digits than its factorization.

625611566432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630656862 (or 630656854 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 47.

The spelling of 625611566432 in words is "six hundred twenty-five billion, six hundred eleven million, five hundred sixty-six thousand, four hundred thirty-two".