151786638144 has 42 divisors (see below), whose sum is σ = 435068993970. Its totient is φ = 50595545856.

The previous prime is 151786638139. The next prime is 151786638161. The reversal of 151786638144 is 441836687151.

151786638144 is a `hidden beast` number, since 1 + 517 + 8 + 6 + 6 + 3 + 81 + 44 = 666.

It can be written as a sum of positive squares in only one way, i.e., 94933004544 + 56853633600 = 308112^2 + 238440^2 .

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, 131758659 + ... + 131759810.

Almost surely, 2^151786638144 is an apocalyptic number.

It is an amenable number.

151786638144 is an abundant number, since it is smaller than the sum of its proper divisors (283282355826).

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

151786638144 is a wasteful number, since it uses less digits than its factorization.

151786638144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263518487 (or 263518474 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 54.

The spelling of 151786638144 in words is "one hundred fifty-one billion, seven hundred eighty-six million, six hundred thirty-eight thousand, one hundred forty-four".