166442094 has 64 divisors (see below), whose sum is σ = 455239680. Its totient is φ = 43895520.

The previous prime is 166442051. The next prime is 166442113. The reversal of 166442094 is 490244661.

166442094 is a `hidden beast` number, since 1 + 6 + 644 + 2 + 0 + 9 + 4 = 666.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 12022 + ... + 21849.

It is an arithmetic number, because the mean of its divisors is an integer number (7113120).

Almost surely, 2^166442094 is an apocalyptic number.

166442094 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

166442094 is an abundant number, since it is smaller than the sum of its proper divisors (288797586).

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

166442094 is a wasteful number, since it uses less digits than its factorization.

166442094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33902 (or 33896 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 166442094 is about 12901.2438935166. The cubic root of 166442094 is about 550.0739228463.

The spelling of 166442094 in words is "one hundred sixty-six million, four hundred forty-two thousand, ninety-four".