151981864392 has 32 divisors (see below), whose sum is σ = 383505645600. Its totient is φ = 50187156864.

The previous prime is 151981864387. The next prime is 151981864403. The reversal of 151981864392 is 293468189151.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29588917 + ... + 29594052.

It is an arithmetic number, because the mean of its divisors is an integer number (11984551425).

Almost surely, 2^151981864392 is an apocalyptic number.

151981864392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

151981864392 is an abundant number, since it is smaller than the sum of its proper divisors (231523781208).

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

151981864392 is a wasteful number, since it uses less digits than its factorization.

151981864392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59183085 (or 59183081 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 57.

The spelling of 151981864392 in words is "one hundred fifty-one billion, nine hundred eighty-one million, eight hundred sixty-four thousand, three hundred ninety-two".