1630552012 has 24 divisors (see below), whose sum is σ = 3008194560. Its totient is φ = 772187280.

The previous prime is 1630551983. The next prime is 1630552019. The reversal of 1630552012 is 2102550361.

It is not an unprimeable number, because it can be changed into a prime (1630552019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134062 + ... + 145717.

It is an arithmetic number, because the mean of its divisors is an integer number (125341440).

Almost surely, 2^1630552012 is an apocalyptic number.

It is an amenable number.

1630552012 is a deficient number, since it is larger than the sum of its proper divisors (1377642548).

1630552012 is a wasteful number, since it uses less digits than its factorization.

1630552012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279861 (or 279859 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1630552012 is about 40380.0942544715. The cubic root of 1630552012 is about 1177.0047591391.

The spelling of 1630552012 in words is "one billion, six hundred thirty million, five hundred fifty-two thousand, twelve".