1630747264 has 32 divisors (see below), whose sum is σ = 3263379840. Its totient is φ = 811703040.

The previous prime is 1630747249. The next prime is 1630747271. The reversal of 1630747264 is 4627470361.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22 + ... + 57109.

It is an arithmetic number, because the mean of its divisors is an integer number (101980620).

Almost surely, 2^1630747264 is an apocalyptic number.

It is an amenable number.

1630747264 is an abundant number, since it is smaller than the sum of its proper divisors (1632632576).

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

1630747264 is an equidigital number, since it uses as much as digits as its factorization.

1630747264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57368 (or 57356 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 40.

The square root of 1630747264 is about 40382.5118584766. The cubic root of 1630747264 is about 1177.0517377817.

The spelling of 1630747264 in words is "one billion, six hundred thirty million, seven hundred forty-seven thousand, two hundred sixty-four".