166442982 has 8 divisors (see below), whose sum is σ = 332885976. Its totient is φ = 55480992.

The previous prime is 166442923. The next prime is 166443001. The reversal of 166442982 is 289244661.

It is a sphenic number, since it is the product of 3 distinct primes.

166442982 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13870243 + ... + 13870254.

It is an arithmetic number, because the mean of its divisors is an integer number (41610747).

Almost surely, 2^166442982 is an apocalyptic number.

166442982 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.

166442982 is a wasteful number, since it uses less digits than its factorization.

166442982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27740502.

The product of its digits is 165888, while the sum is 42.

The square root of 166442982 is about 12901.2783087568. The cubic root of 166442982 is about 550.0749010940.

The spelling of 166442982 in words is "one hundred sixty-six million, four hundred forty-two thousand, nine hundred eighty-two".