165213132453532 has 12 divisors (see below), whose sum is σ = 289132192391616. Its totient is φ = 82603934627360.

The previous prime is 165213132453503. The next prime is 165213132453553. The reversal of 165213132453532 is 235354231312561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 657758593 + ... + 658009720.

It is an arithmetic number, because the mean of its divisors is an integer number (24094349365968).

Almost surely, 2^{165213132453532} is an apocalyptic number.

It is an amenable number.

165213132453532 is a deficient number, since it is larger than the sum of its proper divisors (123919059938084).

165213132453532 is a wasteful number, since it uses less digits than its factorization.

165213132453532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315799708 (or 1315799706 counting only the distinct ones).

The product of its digits is 1944000, while the sum is 46.

The spelling of 165213132453532 in words is "one hundred sixty-five trillion, two hundred thirteen billion, one hundred thirty-two million, four hundred fifty-three thousand, five hundred thirty-two".