625498558516 has 48 divisors (see below), whose sum is σ = 1244910103360. Its totient is φ = 272606342400.

The previous prime is 625498558511. The next prime is 625498558549. The reversal of 625498558516 is 615855894526.

It is a super-2 number, since 2×625498558516² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625498558511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 727785 + ... + 1334416.

Almost surely, 2^625498558516 is an apocalyptic number.

It is an amenable number.

625498558516 is a deficient number, since it is larger than the sum of its proper divisors (619411544844).

625498558516 is a wasteful number, since it uses less digits than its factorization.

625498558516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2062544 (or 2062542 counting only the distinct ones).

The product of its digits is 103680000, while the sum is 64.

The spelling of 625498558516 in words is "six hundred twenty-five billion, four hundred ninety-eight million, five hundred fifty-eight thousand, five hundred sixteen".