1160640157 has 2 divisors, whose sum is σ = 1160640158. Its totient is φ = 1160640156.

The previous prime is 1160640149. The next prime is 1160640193. The reversal of 1160640157 is 7510460611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1072824516 + 87815641 = 32754^2 + 9371^2 .

It is a cyclic number.

It is not a de Polignac number, because 1160640157 - 2³ = 1160640149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1160640197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580320078 + 580320079.

It is an arithmetic number, because the mean of its divisors is an integer number (580320079).

Almost surely, 2^1160640157 is an apocalyptic number.

It is an amenable number.

1160640157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1160640157 is an equidigital number, since it uses as much as digits as its factorization.

1160640157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 1160640157 is about 34068.1692639919. The cubic root of 1160640157 is about 1050.9108217736.

The spelling of 1160640157 in words is "one billion, one hundred sixty million, six hundred forty thousand, one hundred fifty-seven".