18630000908 has 12 divisors (see below), whose sum is σ = 32655175560. Its totient is φ = 9299950752.

The previous prime is 18630000899. The next prime is 18630000937. The reversal of 18630000908 is 80900003681.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3759641 + ... + 3764592.

It is an arithmetic number, because the mean of its divisors is an integer number (2721264630).

Almost surely, 2^18630000908 is an apocalyptic number.

It is an amenable number.

18630000908 is a deficient number, since it is larger than the sum of its proper divisors (14025174652).

18630000908 is a wasteful number, since it uses less digits than its factorization.

18630000908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7524856 (or 7524854 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The spelling of 18630000908 in words is "eighteen billion, six hundred thirty million, nine hundred eight", and thus it is an aban number.