610557664 has 12 divisors (see below), whose sum is σ = 1202035464. Its totient is φ = 305278816.

The previous prime is 610557659. The next prime is 610557697. The reversal of 610557664 is 466755016.

It is a super-2 number, since 2×610557664² = 745561322138273792, 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 (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9539932 + ... + 9539995.

It is an arithmetic number, because the mean of its divisors is an integer number (100169622).

Almost surely, 2^610557664 is an apocalyptic number.

It is an amenable number.

610557664 is a deficient number, since it is larger than the sum of its proper divisors (591477800).

610557664 is a wasteful number, since it uses less digits than its factorization.

610557664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19079937 (or 19079929 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 610557664 is about 24709.4650690783. The cubic root of 610557664 is about 848.3509731468.

The spelling of 610557664 in words is "six hundred ten million, five hundred fifty-seven thousand, six hundred sixty-four".