166225176712 has 64 divisors (see below), whose sum is σ = 369614361600. Its totient is φ = 68602524480.

The previous prime is 166225176661. The next prime is 166225176739. The reversal of 166225176712 is 217671522661.

166225176712 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 315162 + ... + 657097.

It is an arithmetic number, because the mean of its divisors is an integer number (5775224400).

Almost surely, 2^166225176712 is an apocalyptic number.

It is an amenable number.

166225176712 is an abundant number, since it is smaller than the sum of its proper divisors (203389184888).

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

166225176712 is a wasteful number, since it uses less digits than its factorization.

166225176712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972386 (or 972382 counting only the distinct ones).

The product of its digits is 423360, while the sum is 46.

The spelling of 166225176712 in words is "one hundred sixty-six billion, two hundred twenty-five million, one hundred seventy-six thousand, seven hundred twelve".