165233525165 has 8 divisors (see below), whose sum is σ = 204676366848. Its totient is φ = 127922729040.

The previous prime is 165233525143. The next prime is 165233525239. The reversal of 165233525165 is 561525332561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-165233525165 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 533011217 + ... + 533011526.

It is an arithmetic number, because the mean of its divisors is an integer number (25584545856).

Almost surely, 2^165233525165 is an apocalyptic number.

It is an amenable number.

165233525165 is a deficient number, since it is larger than the sum of its proper divisors (39442841683).

165233525165 is a wasteful number, since it uses less digits than its factorization.

165233525165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066022779.

The product of its digits is 810000, while the sum is 44.

The spelling of 165233525165 in words is "one hundred sixty-five billion, two hundred thirty-three million, five hundred twenty-five thousand, one hundred sixty-five".