2166622044141 has 16 divisors (see below), whose sum is σ = 2968743294720. Its totient is φ = 1404682855680.

The previous prime is 2166622044133. The next prime is 2166622044151. The reversal of 2166622044141 is 1414402266612.

It is not a de Polignac number, because 2166622044141 - 2³ = 2166622044133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2166622044141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2166622044121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28100181 + ... + 28177178.

It is an arithmetic number, because the mean of its divisors is an integer number (185546455920).

Almost surely, 2^{2166622044141} is an apocalyptic number.

It is an amenable number.

2166622044141 is a deficient number, since it is larger than the sum of its proper divisors (802121250579).

2166622044141 is a wasteful number, since it uses less digits than its factorization.

2166622044141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56277716.

The product of its (nonzero) digits is 110592, while the sum is 39.

The spelling of 2166622044141 in words is "two trillion, one hundred sixty-six billion, six hundred twenty-two million, forty-four thousand, one hundred forty-one".