2166241596673 has 72 divisors (see below), whose sum is σ = 2860978670592. Its totient is φ = 1632497328000.

The previous prime is 2166241596583. The next prime is 2166241596679. The reversal of 2166241596673 is 3766951426612.

It is not a de Polignac number, because 2166241596673 - 2²⁵ = 2166208042241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2166241596679) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 419242936 + ... + 419248102.

Almost surely, 2^{2166241596673} is an apocalyptic number.

It is an amenable number.

2166241596673 is a deficient number, since it is larger than the sum of its proper divisors (694737073919).

2166241596673 is a wasteful number, since it uses less digits than its factorization.

2166241596673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7515 (or 7497 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 58.

The spelling of 2166241596673 in words is "two trillion, one hundred sixty-six billion, two hundred forty-one million, five hundred ninety-six thousand, six hundred seventy-three".