118465657 has 2 divisors, whose sum is σ = 118465658. Its totient is φ = 118465656.

The previous prime is 118465619. The next prime is 118465661. The reversal of 118465657 is 756564811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111007296 + 7458361 = 10536^2 + 2731^2 .

It is a cyclic number.

It is not a de Polignac number, because 118465657 - 2¹⁵ = 118432889 is a prime.

It is a super-2 number, since 2×118465657² = 28068223776883298, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (118465357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59232828 + 59232829.

It is an arithmetic number, because the mean of its divisors is an integer number (59232829).

Almost surely, 2^118465657 is an apocalyptic number.

It is an amenable number.

118465657 is a deficient number, since it is larger than the sum of its proper divisors (1).

118465657 is an equidigital number, since it uses as much as digits as its factorization.

118465657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 201600, while the sum is 43.

The square root of 118465657 is about 10884.1929879987. The cubic root of 118465657 is about 491.1311601464.

The spelling of 118465657 in words is "one hundred eighteen million, four hundred sixty-five thousand, six hundred fifty-seven".