12166362636 has 48 divisors (see below), whose sum is σ = 29210334048. Its totient is φ = 3939520000.

The previous prime is 12166362629. The next prime is 12166362667. The reversal of 12166362636 is 63626366121.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30465 + ... + 158936.

It is an arithmetic number, because the mean of its divisors is an integer number (608548626).

Almost surely, 2^12166362636 is an apocalyptic number.

It is an amenable number.

12166362636 is an abundant number, since it is smaller than the sum of its proper divisors (17043971412).

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

12166362636 is a wasteful number, since it uses less digits than its factorization.

12166362636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189562 (or 189560 counting only the distinct ones).

The product of its digits is 279936, while the sum is 42.

The spelling of 12166362636 in words is "twelve billion, one hundred sixty-six million, three hundred sixty-two thousand, six hundred thirty-six".