166255116 has 12 divisors (see below), whose sum is σ = 387928632. Its totient is φ = 55418368.

The previous prime is 166255069. The next prime is 166255127. The reversal of 166255116 is 611552661.

It is a tau number, because it is divible by the number of its divisors (12).

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, 6927285 + ... + 6927308.

It is an arithmetic number, because the mean of its divisors is an integer number (32327386).

Almost surely, 2^166255116 is an apocalyptic number.

It is an amenable number.

166255116 is an abundant number, since it is smaller than the sum of its proper divisors (221673516).

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

166255116 is a wasteful number, since it uses less digits than its factorization.

166255116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13854600 (or 13854598 counting only the distinct ones).

The product of its digits is 10800, while the sum is 33.

The square root of 166255116 is about 12893.9953466720. The cubic root of 166255116 is about 549.8678646763.

The spelling of 166255116 in words is "one hundred sixty-six million, two hundred fifty-five thousand, one hundred sixteen".