1630745548 has 24 divisors (see below), whose sum is σ = 2937818912. Its totient is φ = 791472384.

The previous prime is 1630745533. The next prime is 1630745551. The reversal of 1630745548 is 8455470361.

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, 51361 + ... + 76807.

Almost surely, 2^1630745548 is an apocalyptic number.

It is an amenable number.

1630745548 is a deficient number, since it is larger than the sum of its proper divisors (1307073364).

1630745548 is a wasteful number, since it uses less digits than its factorization.

1630745548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25921 (or 25919 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 43.

The square root of 1630745548 is about 40382.4906116500. The cubic root of 1630745548 is about 1177.0513249195.

The spelling of 1630745548 in words is "one billion, six hundred thirty million, seven hundred forty-five thousand, five hundred forty-eight".