166692275222664 has 128 divisors (see below), whose sum is σ = 423868550676480. Its totient is φ = 54617586393600.

The previous prime is 166692275222657. The next prime is 166692275222807. The reversal of 166692275222664 is 466222572296661.

166692275222664 is digitally balanced in base 2, 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 = 166692275222595 and 166692275222604.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3765588259 + ... + 3765632525.

It is an arithmetic number, because the mean of its divisors is an integer number (3311473052160).

Almost surely, 2^{166692275222664} is an apocalyptic number.

It is an amenable number.

166692275222664 is an abundant number, since it is smaller than the sum of its proper divisors (257176275453816).

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

166692275222664 is a wasteful number, since it uses less digits than its factorization.

166692275222664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51571 (or 51567 counting only the distinct ones).

The product of its digits is 313528320, while the sum is 66.

The spelling of 166692275222664 in words is "one hundred sixty-six trillion, six hundred ninety-two billion, two hundred seventy-five million, two hundred twenty-two thousand, six hundred sixty-four".