616387367564 has 12 divisors (see below), whose sum is σ = 1082975416488. Its totient is φ = 306965820000.

The previous prime is 616387367473. The next prime is 616387367579. The reversal of 616387367564 is 465763783616.

It is a junction number, because it is equal to n+sod(n) for n = 616387367497 and 616387367506.

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, 306964817 + ... + 306966824.

It is an arithmetic number, because the mean of its divisors is an integer number (90247951374).

Almost surely, 2^616387367564 is an apocalyptic number.

It is an amenable number.

616387367564 is a deficient number, since it is larger than the sum of its proper divisors (466588048924).

616387367564 is a wasteful number, since it uses less digits than its factorization.

616387367564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613931896 (or 613931894 counting only the distinct ones).

The product of its digits is 91445760, while the sum is 62.

The spelling of 616387367564 in words is "six hundred sixteen billion, three hundred eighty-seven million, three hundred sixty-seven thousand, five hundred sixty-four".