17318053768 has 8 divisors (see below), whose sum is σ = 32471350830. Its totient is φ = 8659026880.

The previous prime is 17318053717. The next prime is 17318053771. The reversal of 17318053768 is 86735081371.

It can be written as a sum of positive squares in only one way, i.e., 17318033604 + 20164 = 131598^2 + 142^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×17318053768² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1082378353 + ... + 1082378368.

Almost surely, 2^17318053768 is an apocalyptic number.

It is an amenable number.

17318053768 is a deficient number, since it is larger than the sum of its proper divisors (15153297062).

17318053768 is a wasteful number, since it uses less digits than its factorization.

17318053768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2164756727 (or 2164756723 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 49.

The spelling of 17318053768 in words is "seventeen billion, three hundred eighteen million, fifty-three thousand, seven hundred sixty-eight".