165368266 has 16 divisors (see below), whose sum is σ = 293264640. Its totient is φ = 68428080.

The previous prime is 165368263. The next prime is 165368311. The reversal of 165368266 is 662863561.

It is not an unprimeable number, because it can be changed into a prime (165368263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203250 + ... + 204061.

It is an arithmetic number, because the mean of its divisors is an integer number (18329040).

Almost surely, 2^165368266 is an apocalyptic number.

165368266 is a deficient number, since it is larger than the sum of its proper divisors (127896374).

165368266 is a wasteful number, since it uses less digits than its factorization.

165368266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407349.

The product of its digits is 311040, while the sum is 43.

The square root of 165368266 is about 12859.5593237093. The cubic root of 165368266 is about 548.8884061333. Note that the first 3 decimals are identical.

The spelling of 165368266 in words is "one hundred sixty-five million, three hundred sixty-eight thousand, two hundred sixty-six".