16849116849 has 8 divisors (see below), whose sum is σ = 22472190720. Its totient is φ = 11229393776.

The previous prime is 16849116811. The next prime is 16849116859. The reversal of 16849116849 is 94861194861.

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 not a de Polignac number, because 16849116849 - 2⁸ = 16849116593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16849116859) 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, 825942 + ... + 846095.

It is an arithmetic number, because the mean of its divisors is an integer number (2809023840).

Almost surely, 2^16849116849 is an apocalyptic number.

It is an amenable number.

16849116849 is a deficient number, since it is larger than the sum of its proper divisors (5623073871).

16849116849 is a wasteful number, since it uses less digits than its factorization.

16849116849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1675399.

The product of its digits is 2985984, while the sum is 57.

The spelling of 16849116849 in words is "sixteen billion, eight hundred forty-nine million, one hundred sixteen thousand, eight hundred forty-nine".