16914808961 has 4 divisors (see below), whose sum is σ = 16918118400. Its totient is φ = 16911499524.

The previous prime is 16914808931. The next prime is 16914808973. The reversal of 16914808961 is 16980841961.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16914808961 - 2¹⁰ = 16914807937 is a prime.

It is a super-2 number, since 2×16914808961² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16914808931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1647041 + ... + 1657278.

It is an arithmetic number, because the mean of its divisors is an integer number (4229529600).

Almost surely, 2^16914808961 is an apocalyptic number.

It is an amenable number.

16914808961 is a deficient number, since it is larger than the sum of its proper divisors (3309439).

16914808961 is an equidigital number, since it uses as much as digits as its factorization.

16914808961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3309438.

The product of its (nonzero) digits is 746496, while the sum is 53.

The spelling of 16914808961 in words is "sixteen billion, nine hundred fourteen million, eight hundred eight thousand, nine hundred sixty-one".