16339869281 has 8 divisors (see below), whose sum is σ = 16470320544. Its totient is φ = 16209931360.

The previous prime is 16339869257. The next prime is 16339869341. The reversal of 16339869281 is 18296893361.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16339869281 is a prime.

It is a super-2 number, since 2×16339869281² (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 (16339869241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64295 + ... + 191868.

It is an arithmetic number, because the mean of its divisors is an integer number (2058790068).

Almost surely, 2^16339869281 is an apocalyptic number.

It is an amenable number.

16339869281 is a deficient number, since it is larger than the sum of its proper divisors (130451263).

16339869281 is a wasteful number, since it uses less digits than its factorization.

16339869281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256671.

The product of its digits is 3359232, while the sum is 56.

The spelling of 16339869281 in words is "sixteen billion, three hundred thirty-nine million, eight hundred sixty-nine thousand, two hundred eighty-one".