2166622141364 has 24 divisors (see below), whose sum is σ = 4063371260928. Its totient is φ = 1008204896160.

The previous prime is 2166622141349. The next prime is 2166622141399. The reversal of 2166622141364 is 4631412266612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318243092 + ... + 318249899.

It is an arithmetic number, because the mean of its divisors is an integer number (169307135872).

Almost surely, 2^{2166622141364} is an apocalyptic number.

It is an amenable number.

2166622141364 is a deficient number, since it is larger than the sum of its proper divisors (1896749119564).

2166622141364 is a wasteful number, since it uses less digits than its factorization.

2166622141364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636493055 (or 636493053 counting only the distinct ones).

The product of its digits is 497664, while the sum is 44.

The spelling of 2166622141364 in words is "two trillion, one hundred sixty-six billion, six hundred twenty-two million, one hundred forty-one thousand, three hundred sixty-four".