17116977211993 has 8 divisors (see below), whose sum is σ = 18139101167880. Its totient is φ = 16123645480320.

The previous prime is 17116977211991. The next prime is 17116977212021. The reversal of 17116977211993 is 39911277961171.

It can be written as a sum of positive squares in 4 ways, for example, as 410686159104 + 16706291052889 = 640848^2 + 4087333^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 17116977211993 - 2¹ = 17116977211991 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17116977211991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7198054830 + ... + 7198057207.

It is an arithmetic number, because the mean of its divisors is an integer number (2267387645985).

Almost surely, 2^{17116977211993} is an apocalyptic number.

It is an amenable number.

17116977211993 is a deficient number, since it is larger than the sum of its proper divisors (1022123955887).

17116977211993 is a wasteful number, since it uses less digits than its factorization.

17116977211993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14396112107.

The product of its digits is 9001692, while the sum is 64.

The spelling of 17116977211993 in words is "seventeen trillion, one hundred sixteen billion, nine hundred seventy-seven million, two hundred eleven thousand, nine hundred ninety-three".