610630664 has 32 divisors (see below), whose sum is σ = 1377364800. Its totient is φ = 247924800.

The previous prime is 610630651. The next prime is 610630673. The reversal of 610630664 is 466036016.

It is a self number, because there is not a number n which added to its sum of digits gives 610630664.

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, 285887 + ... + 288014.

It is an arithmetic number, because the mean of its divisors is an integer number (43042650).

Almost surely, 2^610630664 is an apocalyptic number.

It is an amenable number.

610630664 is an abundant number, since it is smaller than the sum of its proper divisors (766734136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

610630664 is a wasteful number, since it uses less digits than its factorization.

610630664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573933 (or 573929 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 610630664 is about 24710.9421916689. The cubic root of 610630664 is about 848.3847822128.

The spelling of 610630664 in words is "six hundred ten million, six hundred thirty thousand, six hundred sixty-four".