616864684 has 12 divisors (see below), whose sum is σ = 1116738000. Its totient is φ = 297796688.

The previous prime is 616864663. The next prime is 616864687. The reversal of 616864684 is 486468616.

It is not an unprimeable number, because it can be changed into a prime (616864687) 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, 2658784 + ... + 2659015.

It is an arithmetic number, because the mean of its divisors is an integer number (93061500).

Almost surely, 2^616864684 is an apocalyptic number.

It is an amenable number.

616864684 is a deficient number, since it is larger than the sum of its proper divisors (499873316).

616864684 is a wasteful number, since it uses less digits than its factorization.

616864684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5317832 (or 5317830 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 49.

The square root of 616864684 is about 24836.7607388725. The cubic root of 616864684 is about 851.2621084426.

The spelling of 616864684 in words is "six hundred sixteen million, eight hundred sixty-four thousand, six hundred eighty-four".