16956876901 has 4 divisors (see below), whose sum is σ = 16959544012. Its totient is φ = 16954209792.

The previous prime is 16956876889. The next prime is 16956876917. The reversal of 16956876901 is 10967865961.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16080776100 + 876100801 = 126810^2 + 29599^2 .

It is a cyclic number.

It is not a de Polignac number, because 16956876901 - 2⁷ = 16956876773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16956876941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1323996 + ... + 1336741.

It is an arithmetic number, because the mean of its divisors is an integer number (4239886003).

Almost surely, 2^16956876901 is an apocalyptic number.

It is an amenable number.

16956876901 is a deficient number, since it is larger than the sum of its proper divisors (2667111).

16956876901 is an equidigital number, since it uses as much as digits as its factorization.

16956876901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2667110.

The product of its (nonzero) digits is 4898880, while the sum is 58.

The spelling of 16956876901 in words is "sixteen billion, nine hundred fifty-six million, eight hundred seventy-six thousand, nine hundred one".