12444660612166 has 16 divisors (see below), whose sum is σ = 18724695010560. Its totient is φ = 6203120446080.

The previous prime is 12444660612149. The next prime is 12444660612169. The reversal of 12444660612166 is 66121606644421.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12444660612169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5206371 + ... + 7210798.

It is an arithmetic number, because the mean of its divisors is an integer number (1170293438160).

Almost surely, 2^{12444660612166} is an apocalyptic number.

12444660612166 is a deficient number, since it is larger than the sum of its proper divisors (6280034398394).

12444660612166 is a wasteful number, since it uses less digits than its factorization.

12444660612166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12418719.

The product of its (nonzero) digits is 1990656, while the sum is 49.

The spelling of 12444660612166 in words is "twelve trillion, four hundred forty-four billion, six hundred sixty million, six hundred twelve thousand, one hundred sixty-six".