166442706 has 24 divisors (see below), whose sum is σ = 362007360. Its totient is φ = 55268376.

The previous prime is 166442693. The next prime is 166442719. The reversal of 166442706 is 607244661.

166442706 is a `hidden beast` number, since 1 + 6 + 644 + 2 + 7 + 0 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (166442693) and next prime (166442719).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 12846 + ... + 22313.

It is an arithmetic number, because the mean of its divisors is an integer number (15083640).

Almost surely, 2^166442706 is an apocalyptic number.

166442706 is an abundant number, since it is smaller than the sum of its proper divisors (195564654).

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

166442706 is a wasteful number, since it uses less digits than its factorization.

166442706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35430 (or 35427 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 166442706 is about 12901.2676121380. The cubic root of 166442706 is about 550.0745970444.

The spelling of 166442706 in words is "one hundred sixty-six million, four hundred forty-two thousand, seven hundred six".