16923832961 has 4 divisors (see below), whose sum is σ = 19341523392. Its totient is φ = 14506142532.

The previous prime is 16923832943. The next prime is 16923832999.

It is a happy number.

16923832961 is nontrivially palindromic in base 10.

16923832961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 de Polignac number, because none of the positive numbers 2^k-16923832961 is a prime.

It is a super-2 number, since 2×16923832961² (a number of 21 digits) contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16923832901) by changing a digit.

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, 1208845205 + ... + 1208845218.

It is an arithmetic number, because the mean of its divisors is an integer number (4835380848).

Almost surely, 2^16923832961 is an apocalyptic number.

It is an amenable number.

16923832961 is a deficient number, since it is larger than the sum of its proper divisors (2417690431).

16923832961 is an equidigital number, since it uses as much as digits as its factorization.

16923832961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2417690430.

The product of its digits is 839808, while the sum is 50.

The spelling of 16923832961 in words is "sixteen billion, nine hundred twenty-three million, eight hundred thirty-two thousand, nine hundred sixty-one".