151972671420 has 72 divisors (see below), whose sum is σ = 478057258224. Its totient is φ = 40526044416.

The previous prime is 151972671359. The next prime is 151972671493. The reversal of 151972671420 is 24176279151.

151972671420 is a `hidden beast` number, since 1 + 51 + 97 + 26 + 71 + 420 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15630189 + ... + 15639908.

It is an arithmetic number, because the mean of its divisors is an integer number (6639684142).

Almost surely, 2^151972671420 is an apocalyptic number.

151972671420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151972671420 is an abundant number, since it is smaller than the sum of its proper divisors (326084586804).

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

151972671420 is a wasteful number, since it uses less digits than its factorization.

151972671420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31270121 (or 31270107 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The spelling of 151972671420 in words is "one hundred fifty-one billion, nine hundred seventy-two million, six hundred seventy-one thousand, four hundred twenty".