1630318896 has 30 divisors (see below), whose sum is σ = 4562628980. Its totient is φ = 543439584.

The previous prime is 1630318873. The next prime is 1630318903. The reversal of 1630318896 is 6988130361.

It is a happy number.

1630318896 is a `hidden beast` number, since 1 + 630 + 3 + 1 + 8 + 8 + 9 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5660686 + ... + 5660973.

Almost surely, 2^1630318896 is an apocalyptic number.

1630318896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1630318896 is an abundant number, since it is smaller than the sum of its proper divisors (2932310084).

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

1630318896 is a wasteful number, since it uses less digits than its factorization.

1630318896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11321673 (or 11321664 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 1630318896 is about 40377.2076300479. The cubic root of 1630318896 is about 1176.9486653098.

The spelling of 1630318896 in words is "one billion, six hundred thirty million, three hundred eighteen thousand, eight hundred ninety-six".