157261570560 has 120 divisors (see below), whose sum is σ = 544641128460. Its totient is φ = 41936412672.

The previous prime is 157261570519. The next prime is 157261570567. The reversal of 157261570560 is 65075162751.

157261570560 is a `hidden beast` number, since 1 + 5 + 7 + 2 + 6 + 15 + 70 + 560 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 157082224896 + 179345664 = 396336^2 + 13392^2 .

It is a tau number, because it is divible by the number of its divisors (120).

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

It is not an unprimeable number, because it can be changed into a prime (157261570567) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3389755 + ... + 3435834.

Almost surely, 2^157261570560 is an apocalyptic number.

157261570560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157261570560 is an abundant number, since it is smaller than the sum of its proper divisors (387379557900).

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

157261570560 is an equidigital number, since it uses as much as digits as its factorization.

157261570560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6825618 (or 6825599 counting only the distinct ones).

The product of its (nonzero) digits is 441000, while the sum is 45.

It can be divided in two parts, 157261 and 570560, that added together give a triangular number (727821 = T₁₂₀₆).

The spelling of 157261570560 in words is "one hundred fifty-seven billion, two hundred sixty-one million, five hundred seventy thousand, five hundred sixty".