165380233227 has 64 divisors (see below), whose sum is σ = 255648130560. Its totient is φ = 94944769920.

The previous prime is 165380233159. The next prime is 165380233243. The reversal of 165380233227 is 722332083561.

It is not a de Polignac number, because 165380233227 - 2⁸ = 165380232971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (165380233267) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6123768 + ... + 6150714.

It is an arithmetic number, because the mean of its divisors is an integer number (3994502040).

Almost surely, 2^165380233227 is an apocalyptic number.

165380233227 is a deficient number, since it is larger than the sum of its proper divisors (90267897333).

165380233227 is a wasteful number, since it uses less digits than its factorization.

165380233227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27065 (or 27043 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 165380233227 in words is "one hundred sixty-five billion, three hundred eighty million, two hundred thirty-three thousand, two hundred twenty-seven".