165275045268 has 48 divisors (see below), whose sum is σ = 404404754880. Its totient is φ = 52463303424.

The previous prime is 165275045251. The next prime is 165275045291. The reversal of 165275045268 is 862540572561.

It is a self number, because there is not a number n which added to its sum of digits gives 165275045268.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3227530 + ... + 3278337.

It is an arithmetic number, because the mean of its divisors is an integer number (8425099060).

Almost surely, 2^165275045268 is an apocalyptic number.

It is an amenable number.

165275045268 is an abundant number, since it is smaller than the sum of its proper divisors (239129709612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165275045268 is a wasteful number, since it uses less digits than its factorization.

165275045268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6505976 (or 6505974 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 51.

The spelling of 165275045268 in words is "one hundred sixty-five billion, two hundred seventy-five million, forty-five thousand, two hundred sixty-eight".