151657361222640 has 160 divisors (see below), whose sum is σ = 578631162902016. Its totient is φ = 31998036648960.

The previous prime is 151657361222623. The next prime is 151657361222747. The reversal of 151657361222640 is 46222163756151.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3471987346 + ... + 3472031025.

Almost surely, 2^{151657361222640} is an apocalyptic number.

151657361222640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151657361222640 is an abundant number, since it is smaller than the sum of its proper divisors (426973801679376).

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

151657361222640 is a wasteful number, since it uses less digits than its factorization.

151657361222640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6944018407 (or 6944018401 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 51.

The spelling of 151657361222640 in words is "one hundred fifty-one trillion, six hundred fifty-seven billion, three hundred sixty-one million, two hundred twenty-two thousand, six hundred forty".