12166145364 has 12 divisors (see below), whose sum is σ = 28387672544. Its totient is φ = 4055381784.

The previous prime is 12166145357. The next prime is 12166145377. The reversal of 12166145364 is 46354166121.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 506922712 + ... + 506922735.

Almost surely, 2^12166145364 is an apocalyptic number.

It is an amenable number.

12166145364 is an abundant number, since it is smaller than the sum of its proper divisors (16221527180).

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

12166145364 is a wasteful number, since it uses less digits than its factorization.

12166145364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013845454 (or 1013845452 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The spelling of 12166145364 in words is "twelve billion, one hundred sixty-six million, one hundred forty-five thousand, three hundred sixty-four".