18288946904 has 16 divisors (see below), whose sum is σ = 34352692920. Its totient is φ = 9128228800.

The previous prime is 18288946891. The next prime is 18288946927. The reversal of 18288946904 is 40964988281.

It is a congruent number.

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, 2025797 + ... + 2034804.

Almost surely, 2^18288946904 is an apocalyptic number.

It is an amenable number.

18288946904 is a deficient number, since it is larger than the sum of its proper divisors (16063746016).

18288946904 is a wasteful number, since it uses less digits than its factorization.

18288946904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4061170 (or 4061166 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 59.

The spelling of 18288946904 in words is "eighteen billion, two hundred eighty-eight million, nine hundred forty-six thousand, nine hundred four".