616713388 has 6 divisors (see below), whose sum is σ = 1079248436. Its totient is φ = 308356692.

The previous prime is 616713337. The next prime is 616713401. The reversal of 616713388 is 883317616.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77089170 + ... + 77089177.

Almost surely, 2^616713388 is an apocalyptic number.

It is an amenable number.

616713388 is a deficient number, since it is larger than the sum of its proper divisors (462535048).

616713388 is a wasteful number, since it uses less digits than its factorization.

616713388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154178351 (or 154178349 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

The square root of 616713388 is about 24833.7147442746. The cubic root of 616713388 is about 851.1925075041.

The spelling of 616713388 in words is "six hundred sixteen million, seven hundred thirteen thousand, three hundred eighty-eight".