18492636612 has 48 divisors (see below), whose sum is σ = 43758215424. Its totient is φ = 6077760000.

The previous prime is 18492636611. The next prime is 18492636619. The reversal of 18492636612 is 21663629481.

It is not an unprimeable number, because it can be changed into a prime (18492636611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 260437 + ... + 323747.

It is an arithmetic number, because the mean of its divisors is an integer number (911629488).

Almost surely, 2^18492636612 is an apocalyptic number.

18492636612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18492636612 is an abundant number, since it is smaller than the sum of its proper divisors (25265578812).

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

18492636612 is a wasteful number, since it uses less digits than its factorization.

18492636612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63660 (or 63658 counting only the distinct ones).

The product of its digits is 746496, while the sum is 48.

The spelling of 18492636612 in words is "eighteen billion, four hundred ninety-two million, six hundred thirty-six thousand, six hundred twelve".