17242086172 has 6 divisors (see below), whose sum is σ = 30173650808. Its totient is φ = 8621043084.

The previous prime is 17242086143. The next prime is 17242086179. The reversal of 17242086172 is 27168024271.

It is a super-2 number, since 2×17242086172² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17242086179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2155260768 + ... + 2155260775.

Almost surely, 2^17242086172 is an apocalyptic number.

It is an amenable number.

17242086172 is a deficient number, since it is larger than the sum of its proper divisors (12931564636).

17242086172 is a wasteful number, since it uses less digits than its factorization.

17242086172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4310521547 (or 4310521545 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 40.

The spelling of 17242086172 in words is "seventeen billion, two hundred forty-two million, eighty-six thousand, one hundred seventy-two".