118665497 has 2 divisors, whose sum is σ = 118665498. Its totient is φ = 118665496.

The previous prime is 118665493. The next prime is 118665523. The reversal of 118665497 is 794566811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101929216 + 16736281 = 10096^2 + 4091^2 .

It is a cyclic number.

It is not a de Polignac number, because 118665497 - 2² = 118665493 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (118665493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59332748 + 59332749.

It is an arithmetic number, because the mean of its divisors is an integer number (59332749).

Almost surely, 2^118665497 is an apocalyptic number.

It is an amenable number.

118665497 is a deficient number, since it is larger than the sum of its proper divisors (1).

118665497 is an equidigital number, since it uses as much as digits as its factorization.

118665497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 47.

The square root of 118665497 is about 10893.3694052850. The cubic root of 118665497 is about 491.4071684475.

The spelling of 118665497 in words is "one hundred eighteen million, six hundred sixty-five thousand, four hundred ninety-seven".