157437344268 has 18 divisors (see below), whose sum is σ = 397966620324. Its totient is φ = 52479114744.

The previous prime is 157437344257. The next prime is 157437344291. The reversal of 157437344268 is 862443734751.

157437344268 is a `hidden beast` number, since 1 + 5 + 7 + 4 + 37 + 344 + 268 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

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, 2186629746 + ... + 2186629817.

Almost surely, 2^157437344268 is an apocalyptic number.

157437344268 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

157437344268 is an abundant number, since it is smaller than the sum of its proper divisors (240529276056).

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

157437344268 is a wasteful number, since it uses less digits than its factorization.

157437344268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4373259573 (or 4373259568 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 54.

The spelling of 157437344268 in words is "one hundred fifty-seven billion, four hundred thirty-seven million, three hundred forty-four thousand, two hundred sixty-eight".