166982442 has 32 divisors (see below), whose sum is σ = 366240960. Its totient is φ = 50334720.

The previous prime is 166982411. The next prime is 166982447. The reversal of 166982442 is 244289661.

It is a junction number, because it is equal to n+sod(n) for n = 166982394 and 166982403.

It is not an unprimeable number, because it can be changed into a prime (166982447) 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 15 ways as a sum of consecutive naturals, for example, 6184 + ... + 19292.

It is an arithmetic number, because the mean of its divisors is an integer number (11445030).

Almost surely, 2^166982442 is an apocalyptic number.

166982442 is an abundant number, since it is smaller than the sum of its proper divisors (199258518).

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

166982442 is a wasteful number, since it uses less digits than its factorization.

166982442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13318.

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

The square root of 166982442 is about 12922.1686260473. The cubic root of 166982442 is about 550.6685446067.

The spelling of 166982442 in words is "one hundred sixty-six million, nine hundred eighty-two thousand, four hundred forty-two".