151164556542 has 12 divisors (see below), whose sum is σ = 327523205880. Its totient is φ = 50388185508.

The previous prime is 151164556481. The next prime is 151164556553. The reversal of 151164556542 is 245655461151.

151164556542 is a `hidden beast` number, since 1 + 5 + 1 + 1 + 6 + 45 + 565 + 42 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4199015442 + ... + 4199015477.

It is an arithmetic number, because the mean of its divisors is an integer number (27293600490).

Almost surely, 2^151164556542 is an apocalyptic number.

151164556542 is an abundant number, since it is smaller than the sum of its proper divisors (176358649338).

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

151164556542 is a wasteful number, since it uses less digits than its factorization.

151164556542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8398030927 (or 8398030924 counting only the distinct ones).

The product of its digits is 720000, while the sum is 45.

The spelling of 151164556542 in words is "one hundred fifty-one billion, one hundred sixty-four million, five hundred fifty-six thousand, five hundred forty-two".