17797168056 has 32 divisors (see below), whose sum is σ = 44527040640. Its totient is φ = 5927839968.

The previous prime is 17797168043. The next prime is 17797168057. The reversal of 17797168056 is 65086179771.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 17797167987 and 17797168005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17797168057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252316 + ... + 315051.

It is an arithmetic number, because the mean of its divisors is an integer number (1391470020).

Almost surely, 2^17797168056 is an apocalyptic number.

It is an amenable number.

17797168056 is an abundant number, since it is smaller than the sum of its proper divisors (26729872584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

17797168056 is a wasteful number, since it uses less digits than its factorization.

17797168056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568683 (or 568679 counting only the distinct ones).

The product of its (nonzero) digits is 4445280, while the sum is 57.

The spelling of 17797168056 in words is "seventeen billion, seven hundred ninety-seven million, one hundred sixty-eight thousand, fifty-six".