157199562256 has 45 divisors (see below), whose sum is σ = 334817009359. Its totient is φ = 71446416800.

The previous prime is 157199562217. The next prime is 157199562263. The reversal of 157199562256 is 652265991751.

It is a happy number.

The square root of 157199562256 is 396484.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 157199562256.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 17440791 + ... + 17449801.

Almost surely, 2^157199562256 is an apocalyptic number.

157199562256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

157199562256 is the 396484-th square number.

It is an amenable number.

157199562256 is an abundant number, since it is smaller than the sum of its proper divisors (177617447103).

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

157199562256 is an frugal number, since it uses more digits than its factorization.

157199562256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18052 (or 9024 counting only the distinct ones).

The product of its digits is 10206000, while the sum is 58.

The spelling of 157199562256 in words is "one hundred fifty-seven billion, one hundred ninety-nine million, five hundred sixty-two thousand, two hundred fifty-six".