16959867751696 has 45 divisors (see below), whose sum is σ = 32925462929989. Its totient is φ = 8463007925888.

The previous prime is 16959867751649. The next prime is 16959867751699. The reversal of 16959867751696 is 69615776895961.

The square root of 16959867751696 is 4118236.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 8711116131600 + 8248751620096 = 2951460^2 + 2872064^2 .

It is a super-2 number, since 2×16959867751696² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16959867751699) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 14216150076 + ... + 14216151268.

Almost surely, 2^{16959867751696} is an apocalyptic number.

16959867751696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

16959867751696 is the 4118236-th square number.

It is an amenable number.

16959867751696 is a deficient number, since it is larger than the sum of its proper divisors (15965595178293).

16959867751696 is an frugal number, since it uses more digits than its factorization.

16959867751696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4120 (or 2058 counting only the distinct ones).

The product of its digits is 9258883200, while the sum is 85.

The spelling of 16959867751696 in words is "sixteen trillion, nine hundred fifty-nine billion, eight hundred sixty-seven million, seven hundred fifty-one thousand, six hundred ninety-six".