16868143772323 has 16 divisors (see below), whose sum is σ = 17125364515680. Its totient is φ = 16612522502400.

The previous prime is 16868143772279. The next prime is 16868143772393. The reversal of 16868143772323 is 32327734186861.

It is a cyclic number.

It is not a de Polignac number, because 16868143772323 - 2²¹ = 16868141675171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16868143772393) 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, 30986161 + ... + 31525837.

It is an arithmetic number, because the mean of its divisors is an integer number (1070335282230).

Almost surely, 2^{16868143772323} is an apocalyptic number.

16868143772323 is a deficient number, since it is larger than the sum of its proper divisors (257220743357).

16868143772323 is a wasteful number, since it uses less digits than its factorization.

16868143772323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541158.

The product of its digits is 48771072, while the sum is 61.

The spelling of 16868143772323 in words is "sixteen trillion, eight hundred sixty-eight billion, one hundred forty-three million, seven hundred seventy-two thousand, three hundred twenty-three".