165114320266 has 32 divisors (see below), whose sum is σ = 285377495040. Its totient is φ = 70182561456.

The previous prime is 165114320257. The next prime is 165114320291. The reversal of 165114320266 is 662023411561.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5929965 + ... + 5957743.

It is an arithmetic number, because the mean of its divisors is an integer number (8918046720).

Almost surely, 2^165114320266 is an apocalyptic number.

165114320266 is a deficient number, since it is larger than the sum of its proper divisors (120263174774).

165114320266 is a wasteful number, since it uses less digits than its factorization.

165114320266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31258.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 165114320266 in words is "one hundred sixty-five billion, one hundred fourteen million, three hundred twenty thousand, two hundred sixty-six".