16956809347696 has 20 divisors (see below), whose sum is σ = 32929692993232. Its totient is φ = 8458824059136.

The previous prime is 16956809347637. The next prime is 16956809347711. The reversal of 16956809347696 is 69674390865961.

It is a super-2 number, since 2×16956809347696² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1223781276 + ... + 1223795131.

Almost surely, 2^{16956809347696} is an apocalyptic number.

16956809347696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16956809347696 is a deficient number, since it is larger than the sum of its proper divisors (15972883645536).

16956809347696 is a wasteful number, since it uses less digits than its factorization.

16956809347696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2447576848 (or 2447576842 counting only the distinct ones).

The product of its (nonzero) digits is 3174474240, while the sum is 79.

The spelling of 16956809347696 in words is "sixteen trillion, nine hundred fifty-six billion, eight hundred nine million, three hundred forty-seven thousand, six hundred ninety-six".