165093697 has 2 divisors, whose sum is σ = 165093698. Its totient is φ = 165093696.

The previous prime is 165093671. The next prime is 165093713. The reversal of 165093697 is 796390561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138509361 + 26584336 = 11769^2 + 5156^2 .

It is a cyclic number.

It is not a de Polignac number, because 165093697 - 2²³ = 156705089 is a prime.

It is not a weakly prime, because it can be changed into another prime (165090697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82546848 + 82546849.

It is an arithmetic number, because the mean of its divisors is an integer number (82546849).

Almost surely, 2^165093697 is an apocalyptic number.

It is an amenable number.

165093697 is a deficient number, since it is larger than the sum of its proper divisors (1).

165093697 is an equidigital number, since it uses as much as digits as its factorization.

165093697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 306180, while the sum is 46.

The square root of 165093697 is about 12848.8792118223. The cubic root of 165093697 is about 548.5844557834.

The spelling of 165093697 in words is "one hundred sixty-five million, ninety-three thousand, six hundred ninety-seven".