157672343456 has 24 divisors (see below), whose sum is σ = 318807088740. Its totient is φ = 76705463808.

The previous prime is 157672343407. The next prime is 157672343473. The reversal of 157672343456 is 654343276751.

It can be written as a sum of positive squares in 2 ways, for example, as 157275696400 + 396647056 = 396580^2 + 19916^2 .

It is a junction number, because it is equal to n+sod(n) for n = 157672343398 and 157672343407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66583421 + ... + 66585788.

Almost surely, 2^157672343456 is an apocalyptic number.

157672343456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

157672343456 is an abundant number, since it is smaller than the sum of its proper divisors (161134745284).

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

157672343456 is a wasteful number, since it uses less digits than its factorization.

157672343456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133169256 (or 133169248 counting only the distinct ones).

The product of its digits is 12700800, while the sum is 53.

The spelling of 157672343456 in words is "one hundred fifty-seven billion, six hundred seventy-two million, three hundred forty-three thousand, four hundred fifty-six".