16116887311 has 4 divisors (see below), whose sum is σ = 18419299792. Its totient is φ = 13814474832.

The previous prime is 16116887263. The next prime is 16116887317. The reversal of 16116887311 is 11378861161.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16116887311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16116887317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1151206230 + ... + 1151206243.

It is an arithmetic number, because the mean of its divisors is an integer number (4604824948).

Almost surely, 2^16116887311 is an apocalyptic number.

16116887311 is a deficient number, since it is larger than the sum of its proper divisors (2302412481).

16116887311 is an equidigital number, since it uses as much as digits as its factorization.

16116887311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2302412480.

The product of its digits is 48384, while the sum is 43.

The spelling of 16116887311 in words is "sixteen billion, one hundred sixteen million, eight hundred eighty-seven thousand, three hundred eleven".