1630688604 has 24 divisors (see below), whose sum is σ = 4005200640. Its totient is φ = 514954224.

The previous prime is 1630688599. The next prime is 1630688621. The reversal of 1630688604 is 4068860361.

It is a happy number.

It is a congruent number.

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, 3575844 + ... + 3576299.

It is an arithmetic number, because the mean of its divisors is an integer number (166883360).

Almost surely, 2^1630688604 is an apocalyptic number.

It is an amenable number.

1630688604 is an abundant number, since it is smaller than the sum of its proper divisors (2374512036).

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

1630688604 is a wasteful number, since it uses less digits than its factorization.

1630688604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7152169 (or 7152167 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 1630688604 is about 40381.7855474470. The cubic root of 1630688604 is about 1177.0376242759.

The spelling of 1630688604 in words is "one billion, six hundred thirty million, six hundred eighty-eight thousand, six hundred four".