16922172169 has 8 divisors (see below), whose sum is σ = 19584431360. Its totient is φ = 14321114496.

The previous prime is 16922172167. The next prime is 16922172173. The reversal of 16922172169 is 96127122961.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16922172169 - 2¹ = 16922172167 is a prime.

It is a super-2 number, since 2×16922172169² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16922172167) 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, 15299784 + ... + 15300889.

It is an arithmetic number, because the mean of its divisors is an integer number (2448053920).

Almost surely, 2^16922172169 is an apocalyptic number.

It is an amenable number.

16922172169 is a deficient number, since it is larger than the sum of its proper divisors (2662259191).

16922172169 is an equidigital number, since it uses as much as digits as its factorization.

16922172169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30600759.

The product of its digits is 163296, while the sum is 46.

The spelling of 16922172169 in words is "sixteen billion, nine hundred twenty-two million, one hundred seventy-two thousand, one hundred sixty-nine".