616407952 has 20 divisors (see below), whose sum is σ = 1194768396. Its totient is φ = 308080640.

The previous prime is 616407943. The next prime is 616407983. The reversal of 616407952 is 259704616.

It can be written as a sum of positive squares in 2 ways, for example, as 592240896 + 24167056 = 24336^2 + 4916^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44052 + ... + 56332.

Almost surely, 2^616407952 is an apocalyptic number.

It is an amenable number.

616407952 is a deficient number, since it is larger than the sum of its proper divisors (578360444).

616407952 is a wasteful number, since it uses less digits than its factorization.

616407952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15426 (or 15420 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 616407952 is about 24827.5643589942. The cubic root of 616407952 is about 851.0519626027.

The spelling of 616407952 in words is "six hundred sixteen million, four hundred seven thousand, nine hundred fifty-two".