166475765223664 has 20 divisors (see below), whose sum is σ = 347358087053656. Its totient is φ = 76834968564672.

The previous prime is 166475765223641. The next prime is 166475765223689. The reversal of 166475765223664 is 466322567574661.

166475765223664 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 166475765223593 and 166475765223602.

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, 400182127734 + ... + 400182128149.

Almost surely, 2^{166475765223664} is an apocalyptic number.

It is an amenable number.

166475765223664 is an abundant number, since it is smaller than the sum of its proper divisors (180882321829992).

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

166475765223664 is a wasteful number, since it uses less digits than its factorization.

166475765223664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800364255904 (or 800364255898 counting only the distinct ones).

The product of its digits is 1828915200, while the sum is 70.

The spelling of 166475765223664 in words is "one hundred sixty-six trillion, four hundred seventy-five billion, seven hundred sixty-five million, two hundred twenty-three thousand, six hundred sixty-four".