165655226462212 has 48 divisors (see below), whose sum is σ = 301538461593600. Its totient is φ = 79542302954400.

The previous prime is 165655226462129. The next prime is 165655226462251. The reversal of 165655226462212 is 212264622556561.

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, 1602045289 + ... + 1602148687.

It is an arithmetic number, because the mean of its divisors is an integer number (6282051283200).

Almost surely, 2^{165655226462212} is an apocalyptic number.

It is an amenable number.

165655226462212 is a deficient number, since it is larger than the sum of its proper divisors (135883235131388).

165655226462212 is a wasteful number, since it uses less digits than its factorization.

165655226462212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202192 (or 202190 counting only the distinct ones).

The product of its digits is 20736000, while the sum is 55.

The spelling of 165655226462212 in words is "one hundred sixty-five trillion, six hundred fifty-five billion, two hundred twenty-six million, four hundred sixty-two thousand, two hundred twelve".