18908237026032 has 160 divisors (see below), whose sum is σ = 51817388427264. Its totient is φ = 5930838144000.

The previous prime is 18908237026013. The next prime is 18908237026039. The reversal of 18908237026032 is 23062073280981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18908237026039) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87816907 + ... + 88031957.

Almost surely, 2^{18908237026032} is an apocalyptic number.

18908237026032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18908237026032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25908694213632).

18908237026032 is an abundant number, since it is smaller than the sum of its proper divisors (32909151401232).

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

18908237026032 is a wasteful number, since it uses less digits than its factorization.

18908237026032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216727 (or 216721 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 51.

The spelling of 18908237026032 in words is "eighteen trillion, nine hundred eight billion, two hundred thirty-seven million, twenty-six thousand, thirty-two".