166472450 has 12 divisors (see below), whose sum is σ = 309638850. Its totient is φ = 66588960.

The previous prime is 166472443. The next prime is 166472473. The reversal of 166472450 is 54274661.

It can be written as a sum of positive squares in 3 ways, for example, as 107474689 + 58997761 = 10367^2 + 7681^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 166472450.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1664675 + ... + 1664774.

Almost surely, 2^166472450 is an apocalyptic number.

166472450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166472450 is a deficient number, since it is larger than the sum of its proper divisors (143166400).

166472450 is a wasteful number, since it uses less digits than its factorization.

166472450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3329461 (or 3329456 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 166472450 is about 12902.4203155842. The cubic root of 166472450 is about 550.1073619613.

The spelling of 166472450 in words is "one hundred sixty-six million, four hundred seventy-two thousand, four hundred fifty".