6522157612630 has 48 divisors (see below), whose sum is σ = 12969015242400. Its totient is φ = 2359775531520.

The previous prime is 6522157612591. The next prime is 6522157612651. The reversal of 6522157612630 is 362167512256.

It is a happy number.

It is a super-2 number, since 2×6522157612630² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13302459 + ... + 13784038.

It is an arithmetic number, because the mean of its divisors is an integer number (270187817550).

Almost surely, 2^{6522157612630} is an apocalyptic number.

6522157612630 is a deficient number, since it is larger than the sum of its proper divisors (6446857629770).

6522157612630 is a wasteful number, since it uses less digits than its factorization.

6522157612630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27086725 (or 27086714 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 6522157612630 in words is "six trillion, five hundred twenty-two billion, one hundred fifty-seven million, six hundred twelve thousand, six hundred thirty".