165324899 has 2 divisors, whose sum is σ = 165324900. Its totient is φ = 165324898.

The previous prime is 165324893. The next prime is 165324919. The reversal of 165324899 is 998423561.

165324899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-165324899 is a prime.

It is not a weakly prime, because it can be changed into another prime (165324893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82662449 + 82662450.

It is an arithmetic number, because the mean of its divisors is an integer number (82662450).

Almost surely, 2^165324899 is an apocalyptic number.

165324899 is a deficient number, since it is larger than the sum of its proper divisors (1).

165324899 is an equidigital number, since it uses as much as digits as its factorization.

165324899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 47.

The square root of 165324899 is about 12857.8730356152. The cubic root of 165324899 is about 548.8404208595.

The spelling of 165324899 in words is "one hundred sixty-five million, three hundred twenty-four thousand, eight hundred ninety-nine".