616653604 has 48 divisors (see below), whose sum is σ = 1259596800. Its totient is φ = 258686496.

The previous prime is 616653589. The next prime is 616653629. The reversal of 616653604 is 406356616.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 466857 + ... + 468175.

It is an arithmetic number, because the mean of its divisors is an integer number (26241600).

Almost surely, 2^616653604 is an apocalyptic number.

It is an amenable number.

616653604 is an abundant number, since it is smaller than the sum of its proper divisors (642943196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

616653604 is a wasteful number, since it uses less digits than its factorization.

616653604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672 (or 1670 counting only the distinct ones).

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

The square root of 616653604 is about 24832.5110288911. The cubic root of 616653604 is about 851.1650018381.

The spelling of 616653604 in words is "six hundred sixteen million, six hundred fifty-three thousand, six hundred four".