166982841 has 24 divisors (see below), whose sum is σ = 253056960. Its totient is φ = 105957600.

The previous prime is 166982831. The next prime is 166982843. The reversal of 166982841 is 148289661.

It is not a de Polignac number, because 166982841 - 2⁷ = 166982713 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (166982843) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14026 + ... + 23036.

It is an arithmetic number, because the mean of its divisors is an integer number (10544040).

Almost surely, 2^166982841 is an apocalyptic number.

It is an amenable number.

166982841 is a deficient number, since it is larger than the sum of its proper divisors (86074119).

166982841 is a wasteful number, since it uses less digits than its factorization.

166982841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9117 (or 9114 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 166982841 is about 12922.1840646231. The cubic root of 166982841 is about 550.6689832088.

The spelling of 166982841 in words is "one hundred sixty-six million, nine hundred eighty-two thousand, eight hundred forty-one".