166366012 has 24 divisors (see below), whose sum is σ = 311272416. Its totient is φ = 77526528.

The previous prime is 166366007. The next prime is 166366037. The reversal of 166366012 is 210663661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4873 + ... + 18880.

It is an arithmetic number, because the mean of its divisors is an integer number (12969684).

Almost surely, 2^166366012 is an apocalyptic number.

It is an amenable number.

166366012 is a deficient number, since it is larger than the sum of its proper divisors (144906404).

166366012 is a wasteful number, since it uses less digits than its factorization.

166366012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23877 (or 23875 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 166366012 is about 12898.2949260745. The cubic root of 166366012 is about 549.9900956894.

The spelling of 166366012 in words is "one hundred sixty-six million, three hundred sixty-six thousand, twelve".