616604536 has 16 divisors (see below), whose sum is σ = 1162189440. Its totient is φ = 306687360.

The previous prime is 616604533. The next prime is 616604567. The reversal of 616604536 is 635406616.

It is a junction number, because it is equal to n+sod(n) for n = 616604495 and 616604504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616604533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200241 + ... + 203296.

It is an arithmetic number, because the mean of its divisors is an integer number (72636840).

Almost surely, 2^616604536 is an apocalyptic number.

It is an amenable number.

616604536 is a deficient number, since it is larger than the sum of its proper divisors (545584904).

616604536 is a wasteful number, since it uses less digits than its factorization.

616604536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403734 (or 403730 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 616604536 is about 24831.5230302130. The cubic root of 616604536 is about 851.1424251047.

The spelling of 616604536 in words is "six hundred sixteen million, six hundred four thousand, five hundred thirty-six".