165213165440626 has 8 divisors (see below), whose sum is σ = 247819823215344. Its totient is φ = 82606557702180.

The previous prime is 165213165440597. The next prime is 165213165440663. The reversal of 165213165440626 is 626044561312561.

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

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, 2723340 + ... + 18380503.

It is an arithmetic number, because the mean of its divisors is an integer number (30977477901918).

Almost surely, 2^{165213165440626} is an apocalyptic number.

165213165440626 is a deficient number, since it is larger than the sum of its proper divisors (82606657774718).

165213165440626 is a wasteful number, since it uses less digits than its factorization.

165213165440626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25018136.

The product of its (nonzero) digits is 6220800, while the sum is 52.

The spelling of 165213165440626 in words is "one hundred sixty-five trillion, two hundred thirteen billion, one hundred sixty-five million, four hundred forty thousand, six hundred twenty-six".