157660570127 has 4 divisors (see below), whose sum is σ = 160332783240. Its totient is φ = 154988357016.

The previous prime is 157660570073. The next prime is 157660570153. The reversal of 157660570127 is 721075066751.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 721075066751 = 13 ⋅55467312827.

It is a cyclic number.

It is not a de Polignac number, because 157660570127 - 2²² = 157656375823 is a prime.

It is a super-2 number, since 2×157660570127² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157660570187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1336106468 + ... + 1336106585.

It is an arithmetic number, because the mean of its divisors is an integer number (40083195810).

Almost surely, 2^157660570127 is an apocalyptic number.

157660570127 is a deficient number, since it is larger than the sum of its proper divisors (2672213113).

157660570127 is an equidigital number, since it uses as much as digits as its factorization.

157660570127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2672213112.

The product of its (nonzero) digits is 617400, while the sum is 47.

The spelling of 157660570127 in words is "one hundred fifty-seven billion, six hundred sixty million, five hundred seventy thousand, one hundred twenty-seven".