22143666604717 has 8 divisors (see below), whose sum is σ = 25307966721600. Its totient is φ = 18979596281184.

The previous prime is 22143666604693. The next prime is 22143666604739. The reversal of 22143666604717 is 71740666634122.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-22143666604717 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 (22143666604517) 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, 57241792 + ... + 57627337.

It is an arithmetic number, because the mean of its divisors is an integer number (3163495840200).

Almost surely, 2^{22143666604717} is an apocalyptic number.

It is an amenable number.

22143666604717 is a deficient number, since it is larger than the sum of its proper divisors (3164300116883).

22143666604717 is a wasteful number, since it uses less digits than its factorization.

22143666604717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114896675.

The product of its (nonzero) digits is 12192768, while the sum is 55.

The spelling of 22143666604717 in words is "twenty-two trillion, one hundred forty-three billion, six hundred sixty-six million, six hundred four thousand, seven hundred seventeen".