166847472 has 80 divisors (see below), whose sum is σ = 522466560. Its totient is φ = 50558400.

The previous prime is 166847459. The next prime is 166847521. The reversal of 166847472 is 274748661.

166847472 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 12804 + ... + 22307.

It is an arithmetic number, because the mean of its divisors is an integer number (6530832).

Almost surely, 2^166847472 is an apocalyptic number.

166847472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

166847472 is an abundant number, since it is smaller than the sum of its proper divisors (355619088).

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

166847472 is a wasteful number, since it uses less digits than its factorization.

166847472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35139 (or 35127 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 166847472 is about 12916.9451496861. The cubic root of 166847472 is about 550.5201382501.

The spelling of 166847472 in words is "one hundred sixty-six million, eight hundred forty-seven thousand, four hundred seventy-two".