18632946992 has 20 divisors (see below), whose sum is σ = 39383274696. Its totient is φ = 8469521280.

The previous prime is 18632946991. The next prime is 18632947027. The reversal of 18632946992 is 29964923681.

It is not an unprimeable number, because it can be changed into a prime (18632946991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52934333 + ... + 52934684.

Almost surely, 2^18632946992 is an apocalyptic number.

It is an amenable number.

18632946992 is an abundant number, since it is smaller than the sum of its proper divisors (20750327704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18632946992 is a wasteful number, since it uses less digits than its factorization.

18632946992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105869036 (or 105869030 counting only the distinct ones).

The product of its digits is 10077696, while the sum is 59.

The spelling of 18632946992 in words is "eighteen billion, six hundred thirty-two million, nine hundred forty-six thousand, nine hundred ninety-two".