157160288861 has 4 divisors (see below), whose sum is σ = 157581630492. Its totient is φ = 156738947232.

The previous prime is 157160288843. The next prime is 157160288863. The reversal of 157160288861 is 168882061751.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 83214363961 + 73945924900 = 288469^2 + 271930^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157160288861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157160288863) 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, 210670256 + ... + 210671001.

It is an arithmetic number, because the mean of its divisors is an integer number (39395407623).

Almost surely, 2^157160288861 is an apocalyptic number.

It is an amenable number.

157160288861 is a deficient number, since it is larger than the sum of its proper divisors (421341631).

157160288861 is an equidigital number, since it uses as much as digits as its factorization.

157160288861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421341630.

The product of its (nonzero) digits is 1290240, while the sum is 53.

The spelling of 157160288861 in words is "one hundred fifty-seven billion, one hundred sixty million, two hundred eighty-eight thousand, eight hundred sixty-one".