18492631152 has 20 divisors (see below), whose sum is σ = 47772630600. Its totient is φ = 6164210368.

The previous prime is 18492631151. The next prime is 18492631187. The reversal of 18492631152 is 25113629481.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18492631151) 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, 192631527 + ... + 192631622.

It is an arithmetic number, because the mean of its divisors is an integer number (2388631530).

Almost surely, 2^18492631152 is an apocalyptic number.

18492631152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18492631152 is an abundant number, since it is smaller than the sum of its proper divisors (29279999448).

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

18492631152 is a wasteful number, since it uses less digits than its factorization.

18492631152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385263160 (or 385263154 counting only the distinct ones).

The product of its digits is 103680, while the sum is 42.

The spelling of 18492631152 in words is "eighteen billion, four hundred ninety-two million, six hundred thirty-one thousand, one hundred fifty-two".