166072084 has 24 divisors (see below), whose sum is σ = 315795200. Its totient is φ = 76127040.

The previous prime is 166072069. The next prime is 166072097. The reversal of 166072084 is 480270661.

It is a super-3 number, since 3×166072084³ (a number of 26 digits) contains 333 as substring.

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 7 ways as a sum of consecutive naturals, for example, 32889 + ... + 37600.

Almost surely, 2^166072084 is an apocalyptic number.

It is an amenable number.

166072084 is a deficient number, since it is larger than the sum of its proper divisors (149723116).

166072084 is a wasteful number, since it uses less digits than its factorization.

166072084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70543 (or 70541 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 166072084 is about 12886.8958248292. The cubic root of 166072084 is about 549.6660054831. Note that the first 3 decimals are identical.

The spelling of 166072084 in words is "one hundred sixty-six million, seventy-two thousand, eighty-four".