166133912 has 48 divisors (see below), whose sum is σ = 365085000. Its totient is φ = 70664832.

The previous prime is 166133857. The next prime is 166133917. The reversal of 166133912 is 219331661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166133917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52964 + ... + 56012.

Almost surely, 2^166133912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166133912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182542500).

166133912 is an abundant number, since it is smaller than the sum of its proper divisors (198951088).

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

166133912 is a wasteful number, since it uses less digits than its factorization.

166133912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3208 (or 3197 counting only the distinct ones).

The product of its digits is 5832, while the sum is 32.

The square root of 166133912 is about 12889.2944725458. The cubic root of 166133912 is about 549.7342098683.

The spelling of 166133912 in words is "one hundred sixty-six million, one hundred thirty-three thousand, nine hundred twelve".