8111916 has 72 divisors (see below), whose sum is σ = 21831264. Its totient is φ = 2534400.

The previous prime is 8111911. The next prime is 8111923. The reversal of 8111916 is 6191118.

It is a plaindrome in base 14.

It is a zygodrome in base 6.

It is a self number, because there is not a number n which added to its sum of digits gives 8111916.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8111911) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80266 + ... + 80366.

It is an arithmetic number, because the mean of its divisors is an integer number (303212).

Almost surely, 2^8111916 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8111916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10915632).

8111916 is an abundant number, since it is smaller than the sum of its proper divisors (13719348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8111916 is a wasteful number, since it uses less digits than its factorization.

8111916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231 (or 226 counting only the distinct ones).

The product of its digits is 432, while the sum is 27.

The square root of 8111916 is about 2848.1425526121. The cubic root of 8111916 is about 200.9283177970.

The spelling of 8111916 in words is "eight million, one hundred eleven thousand, nine hundred sixteen".