166474028 has 12 divisors (see below), whose sum is σ = 332948112. Its totient is φ = 71346000.

The previous prime is 166473959. The next prime is 166474031. The reversal of 166474028 is 820474661.

166474028 is an admirable number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 166473982 and 166474000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2972723 + ... + 2972778.

It is an arithmetic number, because the mean of its divisors is an integer number (27745676).

Almost surely, 2^166474028 is an apocalyptic number.

It is an amenable number.

166474028 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

166474028 is a wasteful number, since it uses less digits than its factorization.

166474028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5945512 (or 5945510 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 166474028 is about 12902.4814667567. The cubic root of 166474028 is about 550.1091001201.

The spelling of 166474028 in words is "one hundred sixty-six million, four hundred seventy-four thousand, twenty-eight".