166542882 has 32 divisors (see below), whose sum is σ = 375900480. Its totient is φ = 48726720.

The previous prime is 166542877. The next prime is 166542917. The reversal of 166542882 is 288245661.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41593 + ... + 45420.

It is an arithmetic number, because the mean of its divisors is an integer number (11746890).

Almost surely, 2^166542882 is an apocalyptic number.

166542882 is an abundant number, since it is smaller than the sum of its proper divisors (209357598).

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

166542882 is a wasteful number, since it uses less digits than its factorization.

166542882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87058.

The product of its digits is 184320, while the sum is 42.

The square root of 166542882 is about 12905.1494373370. The cubic root of 166542882 is about 550.1849317511.

The spelling of 166542882 in words is "one hundred sixty-six million, five hundred forty-two thousand, eight hundred eighty-two".