166679894048 has 24 divisors (see below), whose sum is σ = 328239940140. Its totient is φ = 83317369600.

The previous prime is 166679894041. The next prime is 166679894053. The reversal of 166679894048 is 840498976661.

It can be written as a sum of positive squares in 2 ways, for example, as 154848546064 + 11831347984 = 393508^2 + 108772^2 .

It is not an unprimeable number, because it can be changed into a prime (166679894041) 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 3 ways as a sum of consecutive naturals, for example, 585263 + ... + 822126.

Almost surely, 2^166679894048 is an apocalyptic number.

It is an amenable number.

166679894048 is a deficient number, since it is larger than the sum of its proper divisors (161560046092).

166679894048 is a wasteful number, since it uses less digits than its factorization.

166679894048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1411100 (or 1411092 counting only the distinct ones).

The product of its (nonzero) digits is 125411328, while the sum is 68.

The spelling of 166679894048 in words is "one hundred sixty-six billion, six hundred seventy-nine million, eight hundred ninety-four thousand, forty-eight".