17090240319681 has 16 divisors (see below), whose sum is σ = 22831321719744. Its totient is φ = 11371327694784.

The previous prime is 17090240319611. The next prime is 17090240319707. The reversal of 17090240319681 is 18691304209071.

It is not a de Polignac number, because 17090240319681 - 2⁷ = 17090240319553 is a prime.

It is a super-2 number, since 2×17090240319681² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (17090240319611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51292435 + ... + 51624551.

It is an arithmetic number, because the mean of its divisors is an integer number (1426957607484).

Almost surely, 2^{17090240319681} is an apocalyptic number.

It is an amenable number.

17090240319681 is a deficient number, since it is larger than the sum of its proper divisors (5741081400063).

17090240319681 is a wasteful number, since it uses less digits than its factorization.

17090240319681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365440.

The product of its (nonzero) digits is 653184, while the sum is 51.

The spelling of 17090240319681 in words is "seventeen trillion, ninety billion, two hundred forty million, three hundred nineteen thousand, six hundred eighty-one".