2166723074360 has 32 divisors (see below), whose sum is σ = 5250136681440. Its totient is φ = 800020827264.

The previous prime is 2166723074297. The next prime is 2166723074363. The reversal of 2166723074360 is 634703276612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2166723074363) 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, 2083387052 + ... + 2083388091.

It is an arithmetic number, because the mean of its divisors is an integer number (164066771295).

Almost surely, 2^{2166723074360} is an apocalyptic number.

2166723074360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2166723074360 is an abundant number, since it is smaller than the sum of its proper divisors (3083413607080).

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

2166723074360 is a wasteful number, since it uses less digits than its factorization.

2166723074360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4166775167 (or 4166775163 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 47.

The spelling of 2166723074360 in words is "two trillion, one hundred sixty-six billion, seven hundred twenty-three million, seventy-four thousand, three hundred sixty".