1630725676 has 12 divisors (see below), whose sum is σ = 2871278872. Its totient is φ = 810360288.

The previous prime is 1630725671. The next prime is 1630725683. The reversal of 1630725676 is 6765270361.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (1630725671) 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, 1249905 + ... + 1251208.

Almost surely, 2^1630725676 is an apocalyptic number.

It is an amenable number.

1630725676 is a deficient number, since it is larger than the sum of its proper divisors (1240553196).

1630725676 is a wasteful number, since it uses less digits than its factorization.

1630725676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2501280 (or 2501278 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 43.

The square root of 1630725676 is about 40382.2445636693. The cubic root of 1630725676 is about 1177.0465437814.

The spelling of 1630725676 in words is "one billion, six hundred thirty million, seven hundred twenty-five thousand, six hundred seventy-six".