16872365222647 has 16 divisors (see below), whose sum is σ = 18463930232832. Its totient is φ = 15290441521920.

The previous prime is 16872365222627. The next prime is 16872365222723. The reversal of 16872365222647 is 74622256327861.

It is a cyclic number.

It is not a de Polignac number, because 16872365222647 - 2¹⁵ = 16872365189879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16872365222627) 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, 14584903 + ... + 15699175.

It is an arithmetic number, because the mean of its divisors is an integer number (1153995639552).

Almost surely, 2^{16872365222647} is an apocalyptic number.

16872365222647 is a deficient number, since it is larger than the sum of its proper divisors (1591565010185).

16872365222647 is a wasteful number, since it uses less digits than its factorization.

16872365222647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118598.

The product of its digits is 81285120, while the sum is 61.

The spelling of 16872365222647 in words is "sixteen trillion, eight hundred seventy-two billion, three hundred sixty-five million, two hundred twenty-two thousand, six hundred forty-seven".