16869664514679 has 8 divisors (see below), whose sum is σ = 22538696380032. Its totient is φ = 11223537829560.

The previous prime is 16869664514663. The next prime is 16869664514753. The reversal of 16869664514679 is 97641546696861.

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

It is not a de Polignac number, because 16869664514679 - 2⁴ = 16869664514663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16869664114679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5726293339 + ... + 5726296284.

It is an arithmetic number, because the mean of its divisors is an integer number (2817337047504).

Almost surely, 2^{16869664514679} is an apocalyptic number.

16869664514679 is a deficient number, since it is larger than the sum of its proper divisors (5669031865353).

16869664514679 is a wasteful number, since it uses less digits than its factorization.

16869664514679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11452590117.

The product of its digits is 2821754880, while the sum is 78.

The spelling of 16869664514679 in words is "sixteen trillion, eight hundred sixty-nine billion, six hundred sixty-four million, five hundred fourteen thousand, six hundred seventy-nine".