2166323241476 has 12 divisors (see below), whose sum is σ = 3796412737740. Its totient is φ = 1081633887840.

The previous prime is 2166323241473. The next prime is 2166323241493. The reversal of 2166323241476 is 6741423236612.

It can be written as a sum of positive squares in 2 ways, for example, as 1426534029376 + 739789212100 = 1194376^2 + 860110^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2166323241476.

It is not an unprimeable number, because it can be changed into a prime (2166323241473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381930035 + ... + 381935706.

It is an arithmetic number, because the mean of its divisors is an integer number (316367728145).

Almost surely, 2^{2166323241476} is an apocalyptic number.

It is an amenable number.

2166323241476 is a deficient number, since it is larger than the sum of its proper divisors (1630089496264).

2166323241476 is a wasteful number, since it uses less digits than its factorization.

2166323241476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763866454 (or 763866452 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 47.

The spelling of 2166323241476 in words is "two trillion, one hundred sixty-six billion, three hundred twenty-three million, two hundred forty-one thousand, four hundred seventy-six".