616044656 has 10 divisors (see below), whose sum is σ = 1193586552. Its totient is φ = 308022320.

The previous prime is 616044647. The next prime is 616044707. The reversal of 616044656 is 656440616.

It is a super-2 number, since 2×616044656² = 759022036372316672, which contains 22 as substring.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 19251380 + ... + 19251411.

Almost surely, 2^616044656 is an apocalyptic number.

It is an amenable number.

616044656 is a deficient number, since it is larger than the sum of its proper divisors (577541896).

616044656 is a wasteful number, since it uses less digits than its factorization.

616044656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38502799 (or 38502793 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 616044656 is about 24820.2468964352. The cubic root of 616044656 is about 850.8847332353.

The spelling of 616044656 in words is "six hundred sixteen million, forty-four thousand, six hundred fifty-six".