616620716 has 12 divisors (see below), whose sum is σ = 1079273832. Its totient is φ = 308256768.

The previous prime is 616620679. The next prime is 616620733. The reversal of 616620716 is 617026616.

It is a super-2 number, since 2×616620716² = 760442214800705312, which contains 22 as substring.

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, 24236 + ... + 42668.

It is an arithmetic number, because the mean of its divisors is an integer number (89939486).

Almost surely, 2^616620716 is an apocalyptic number.

It is an amenable number.

616620716 is a deficient number, since it is larger than the sum of its proper divisors (462653116).

616620716 is a wasteful number, since it uses less digits than its factorization.

616620716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26800 (or 26798 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 616620716 is about 24831.8488236378. The cubic root of 616620716 is about 851.1498698353.

The spelling of 616620716 in words is "six hundred sixteen million, six hundred twenty thousand, seven hundred sixteen".