166083904 has 28 divisors (see below), whose sum is σ = 376655584. Its totient is φ = 71178624.

The previous prime is 166083887. The next prime is 166083919. The reversal of 166083904 is 409380661.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184914 + ... + 185809.

Almost surely, 2^166083904 is an apocalyptic number.

166083904 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

166083904 is an abundant number, since it is smaller than the sum of its proper divisors (210571680).

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

166083904 is an equidigital number, since it uses as much as digits as its factorization.

166083904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370742 (or 370732 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 166083904 is about 12887.3544220682. The cubic root of 166083904 is about 549.6790458005.

The spelling of 166083904 in words is "one hundred sixty-six million, eighty-three thousand, nine hundred four".