166981124 has 24 divisors (see below), whose sum is σ = 295895040. Its totient is φ = 82446336.

The previous prime is 166981109. The next prime is 166981153. The reversal of 166981124 is 421189661.

166981124 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129917 + ... + 131195.

It is an arithmetic number, because the mean of its divisors is an integer number (12328960).

Almost surely, 2^166981124 is an apocalyptic number.

It is an amenable number.

166981124 is a deficient number, since it is larger than the sum of its proper divisors (128913916).

166981124 is a wasteful number, since it uses less digits than its factorization.

166981124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1667 (or 1665 counting only the distinct ones).

The product of its digits is 20736, while the sum is 38.

The square root of 166981124 is about 12922.1176283146. The cubic root of 166981124 is about 550.6670957856.

The spelling of 166981124 in words is "one hundred sixty-six million, nine hundred eighty-one thousand, one hundred twenty-four".