613155656 has 32 divisors (see below), whose sum is σ = 1192665600. Its totient is φ = 295301760.

The previous prime is 613155623. The next prime is 613155667. The reversal of 613155656 is 656551316.

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, 14081 + ... + 37743.

It is an arithmetic number, because the mean of its divisors is an integer number (37270800).

Almost surely, 2^613155656 is an apocalyptic number.

It is an amenable number.

613155656 is a deficient number, since it is larger than the sum of its proper divisors (579509944).

613155656 is a wasteful number, since it uses less digits than its factorization.

613155656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23789 (or 23785 counting only the distinct ones).

The product of its digits is 81000, while the sum is 38.

The square root of 613155656 is about 24761.9800500687. The cubic root of 613155656 is about 849.5525469635.

The spelling of 613155656 in words is "six hundred thirteen million, one hundred fifty-five thousand, six hundred fifty-six".