616659696 has 40 divisors (see below), whose sum is σ = 1770042960. Its totient is φ = 205553088.

The previous prime is 616659677. The next prime is 616659731. The reversal of 616659696 is 696956616.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 713295 + ... + 714158.

It is an arithmetic number, because the mean of its divisors is an integer number (44251074).

Almost surely, 2^616659696 is an apocalyptic number.

It is an amenable number.

616659696 is an abundant number, since it is smaller than the sum of its proper divisors (1153383264).

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

616659696 is a wasteful number, since it uses less digits than its factorization.

616659696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1427470 (or 1427458 counting only the distinct ones).

The product of its digits is 3149280, while the sum is 54.

The square root of 616659696 is about 24832.6336903680. The cubic root of 616659696 is about 851.1678047516.

The spelling of 616659696 in words is "six hundred sixteen million, six hundred fifty-nine thousand, six hundred ninety-six".