166828893 has 64 divisors (see below), whose sum is σ = 288921600. Its totient is φ = 83116800.

The previous prime is 166828847. The next prime is 166828901. The reversal of 166828893 is 398828661.

It is not a de Polignac number, because 166828893 - 2⁶ = 166828829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166828093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1119583 + ... + 1119731.

It is an arithmetic number, because the mean of its divisors is an integer number (4514400).

Almost surely, 2^166828893 is an apocalyptic number.

It is an amenable number.

166828893 is a deficient number, since it is larger than the sum of its proper divisors (122092707).

166828893 is a wasteful number, since it uses less digits than its factorization.

166828893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338.

The product of its digits is 995328, while the sum is 51.

The square root of 166828893 is about 12916.2259580730. The cubic root of 166828893 is about 550.4997034319.

The spelling of 166828893 in words is "one hundred sixty-six million, eight hundred twenty-eight thousand, eight hundred ninety-three".