12170516671599 has 64 divisors (see below), whose sum is σ = 19804351343616. Its totient is φ = 6549056640000.

The previous prime is 12170516671583. The next prime is 12170516671609. The reversal of 12170516671599 is 99517661507121.

It is not a de Polignac number, because 12170516671599 - 2⁴ = 12170516671583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12170516671529) 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 63 ways as a sum of consecutive naturals, for example, 3623992 + ... + 6121629.

It is an arithmetic number, because the mean of its divisors is an integer number (309442989744).

Almost surely, 2^{12170516671599} is an apocalyptic number.

12170516671599 is a deficient number, since it is larger than the sum of its proper divisors (7633834672017).

12170516671599 is a wasteful number, since it uses less digits than its factorization.

12170516671599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9745760.

The product of its (nonzero) digits is 7144200, while the sum is 60.

The spelling of 12170516671599 in words is "twelve trillion, one hundred seventy billion, five hundred sixteen million, six hundred seventy-one thousand, five hundred ninety-nine".