2164644014166 has 12 divisors (see below), whose sum is σ = 4690062030732. Its totient is φ = 721548004716.

The previous prime is 2164644014149. The next prime is 2164644014171. The reversal of 2164644014166 is 6614104464612.

2164644014166 is a `hidden beast` number, since 2 + 1 + 6 + 4 + 6 + 440 + 141 + 66 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60129000376 + ... + 60129000411.

It is an arithmetic number, because the mean of its divisors is an integer number (390838502561).

Almost surely, 2^{2164644014166} is an apocalyptic number.

2164644014166 is an abundant number, since it is smaller than the sum of its proper divisors (2525418016566).

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

2164644014166 is a wasteful number, since it uses less digits than its factorization.

2164644014166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120258000795 (or 120258000792 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

Adding to 2164644014166 its reverse (6614104464612), we get a palindrome (8778748478778).

The spelling of 2164644014166 in words is "two trillion, one hundred sixty-four billion, six hundred forty-four million, fourteen thousand, one hundred sixty-six".