2161717143422 has 8 divisors (see below), whose sum is σ = 3433315463136. Its totient is φ = 1017278655712.

The previous prime is 2161717143413. The next prime is 2161717143433. The reversal of 2161717143422 is 2243417171612.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2161717143422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31789957958 + ... + 31789958025.

It is an arithmetic number, because the mean of its divisors is an integer number (429164432892).

Almost surely, 2^{2161717143422} is an apocalyptic number.

2161717143422 is a deficient number, since it is larger than the sum of its proper divisors (1271598319714).

2161717143422 is a wasteful number, since it uses less digits than its factorization.

2161717143422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63579916002.

The product of its digits is 112896, while the sum is 41.

The spelling of 2161717143422 in words is "two trillion, one hundred sixty-one billion, seven hundred seventeen million, one hundred forty-three thousand, four hundred twenty-two".