165072270504734 has 24 divisors (see below), whose sum is σ = 269147368268328. Its totient is φ = 75874531985280.

The previous prime is 165072270504727. The next prime is 165072270504737. The reversal of 165072270504734 is 437405072270561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165072270504737) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3320814257 + ... + 3320863964.

It is an arithmetic number, because the mean of its divisors is an integer number (11214473677847).

Almost surely, 2^{165072270504734} is an apocalyptic number.

165072270504734 is a deficient number, since it is larger than the sum of its proper divisors (104075097763594).

165072270504734 is a wasteful number, since it uses less digits than its factorization.

165072270504734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6641678300 (or 6641678283 counting only the distinct ones).

The product of its (nonzero) digits is 9878400, while the sum is 53.

The spelling of 165072270504734 in words is "one hundred sixty-five trillion, seventy-two billion, two hundred seventy million, five hundred four thousand, seven hundred thirty-four".