610488664 has 16 divisors (see below), whose sum is σ = 1145007000. Its totient is φ = 305153472.

The previous prime is 610488653. The next prime is 610488667. The reversal of 610488664 is 466884016.

It is a self number, because there is not a number n which added to its sum of digits gives 610488664.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (610488667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23484 + ... + 42100.

Almost surely, 2^610488664 is an apocalyptic number.

It is an amenable number.

610488664 is a deficient number, since it is larger than the sum of its proper divisors (534518336).

610488664 is a wasteful number, since it uses less digits than its factorization.

610488664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22722 (or 22718 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 43.

The square root of 610488664 is about 24708.0688035306. The cubic root of 610488664 is about 848.3190141549.

The spelling of 610488664 in words is "six hundred ten million, four hundred eighty-eight thousand, six hundred sixty-four".