16924001281 has 8 divisors (see below), whose sum is σ = 18569268864. Its totient is φ = 15296520720.

The previous prime is 16924001273. The next prime is 16924001291. The reversal of 16924001281 is 18210042961.

It is a happy number.

16924001281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 16924001281 - 2³ = 16924001273 is a prime.

It is a super-2 number, since 2×16924001281² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16924001291) 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 7 ways as a sum of consecutive naturals, for example, 4444761 + ... + 4448566.

It is an arithmetic number, because the mean of its divisors is an integer number (2321158608).

Almost surely, 2^16924001281 is an apocalyptic number.

16924001281 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16924001281 is a deficient number, since it is larger than the sum of its proper divisors (1645267583).

16924001281 is a wasteful number, since it uses less digits than its factorization.

16924001281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8893511.

The product of its (nonzero) digits is 6912, while the sum is 34.

The spelling of 16924001281 in words is "sixteen billion, nine hundred twenty-four million, one thousand, two hundred eighty-one".