610523664 has 20 divisors (see below), whose sum is σ = 1577186256. Its totient is φ = 203507872.

The previous prime is 610523663. The next prime is 610523699. The reversal of 610523664 is 466325016.

It is not an unprimeable number, because it can be changed into a prime (610523663) 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, 6359574 + ... + 6359669.

Almost surely, 2^610523664 is an apocalyptic number.

It is an amenable number.

610523664 is an abundant number, since it is smaller than the sum of its proper divisors (966662592).

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

610523664 is a wasteful number, since it uses less digits than its factorization.

610523664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12719254 (or 12719248 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 610523664 is about 24708.7770640313. Note that the first 3 decimals coincide. The cubic root of 610523664 is about 848.3352255387.

The spelling of 610523664 in words is "six hundred ten million, five hundred twenty-three thousand, six hundred sixty-four".