621232161262304 has 24 divisors (see below), whose sum is σ = 1223055310591800. Its totient is φ = 310614939524736.

The previous prime is 621232161262291. The next prime is 621232161262313. The reversal of 621232161262304 is 403262161232126.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26778854 + ... + 44267045.

It is an arithmetic number, because the mean of its divisors is an integer number (50960637941325).

Almost surely, 2^{621232161262304} is an apocalyptic number.

It is an amenable number.

621232161262304 is a deficient number, since it is larger than the sum of its proper divisors (601823149329496).

621232161262304 is a wasteful number, since it uses less digits than its factorization.

621232161262304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71319162 (or 71319154 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 41.

The spelling of 621232161262304 in words is "six hundred twenty-one trillion, two hundred thirty-two billion, one hundred sixty-one million, two hundred sixty-two thousand, three hundred four".