166679028 has 36 divisors (see below), whose sum is σ = 423343648. Its totient is φ = 55293840.

The previous prime is 166679027. The next prime is 166679041. The reversal of 166679028 is 820976661.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166679027) 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 11 ways as a sum of consecutive naturals, for example, 3376 + ... + 18567.

Almost surely, 2^166679028 is an apocalyptic number.

166679028 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

166679028 is an abundant number, since it is smaller than the sum of its proper divisors (256664620).

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

166679028 is a wasteful number, since it uses less digits than its factorization.

166679028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22164 (or 22159 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 166679028 is about 12910.4232308627. The cubic root of 166679028 is about 550.3348132205.

The spelling of 166679028 in words is "one hundred sixty-six million, six hundred seventy-nine thousand, twenty-eight".