1630876868 has 12 divisors (see below), whose sum is σ = 2881744320. Its totient is φ = 807521352.

The previous prime is 1630876831. The next prime is 1630876873. The reversal of 1630876868 is 8686780361.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1978808 + ... + 1979631.

It is an arithmetic number, because the mean of its divisors is an integer number (240145360).

Almost surely, 2^1630876868 is an apocalyptic number.

It is an amenable number.

1630876868 is a deficient number, since it is larger than the sum of its proper divisors (1250867452).

1630876868 is a wasteful number, since it uses less digits than its factorization.

1630876868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3958546 (or 3958544 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 53.

The square root of 1630876868 is about 40384.1165311314. The cubic root of 1630876868 is about 1177.0829191048.

The spelling of 1630876868 in words is "one billion, six hundred thirty million, eight hundred seventy-six thousand, eight hundred sixty-eight".