166861124 has 12 divisors (see below), whose sum is σ = 294686700. Its totient is φ = 82664928.

The previous prime is 166861091. The next prime is 166861153. The reversal of 166861124 is 421168661.

It can be written as a sum of positive squares in 2 ways, for example, as 134142724 + 32718400 = 11582^2 + 5720^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190919 + ... + 191790.

It is an arithmetic number, because the mean of its divisors is an integer number (24557225).

Almost surely, 2^166861124 is an apocalyptic number.

It is an amenable number.

166861124 is a deficient number, since it is larger than the sum of its proper divisors (127825576).

166861124 is a wasteful number, since it uses less digits than its factorization.

166861124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382822 (or 382820 counting only the distinct ones).

The product of its digits is 13824, while the sum is 35.

The square root of 166861124 is about 12917.4735919993. The cubic root of 166861124 is about 550.5351529536.

The spelling of 166861124 in words is "one hundred sixty-six million, eight hundred sixty-one thousand, one hundred twenty-four".