16923351841 has 8 divisors (see below), whose sum is σ = 18528490944. Its totient is φ = 15329321520.

The previous prime is 16923351829. The next prime is 16923351871. The reversal of 16923351841 is 14815332961.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16923351841 - 2²⁷ = 16789134113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16923351871) 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 7 ways as a sum of consecutive naturals, for example, 2774005 + ... + 2780098.

It is an arithmetic number, because the mean of its divisors is an integer number (2316061368).

Almost surely, 2^16923351841 is an apocalyptic number.

16923351841 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16923351841 is a deficient number, since it is larger than the sum of its proper divisors (1605139103).

16923351841 is a wasteful number, since it uses less digits than its factorization.

16923351841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5554391.

The product of its digits is 155520, while the sum is 43.

It can be divided in two parts, 1692 and 3351841, that added together give a palindrome (3353533).

The spelling of 16923351841 in words is "sixteen billion, nine hundred twenty-three million, three hundred fifty-one thousand, eight hundred forty-one".