610951864 has 16 divisors (see below), whose sum is σ = 1147732920. Its totient is φ = 304889760.

The previous prime is 610951853. The next prime is 610951879. The reversal of 610951864 is 468159016.

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 in 3 ways as a sum of consecutive naturals, for example, 68827 + ... + 77194.

Almost surely, 2^610951864 is an apocalyptic number.

It is an amenable number.

610951864 is a deficient number, since it is larger than the sum of its proper divisors (536781056).

610951864 is a wasteful number, since it uses less digits than its factorization.

610951864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146550 (or 146546 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 610951864 is about 24717.4404823800. The cubic root of 610951864 is about 848.5335101004.

The spelling of 610951864 in words is "six hundred ten million, nine hundred fifty-one thousand, eight hundred sixty-four".