6111808 has 56 divisors (see below), whose sum is σ = 13030200. Its totient is φ = 2838528.

The previous prime is 6111803. The next prime is 6111811. The reversal of 6111808 is 8081116.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1236544 + 4875264 = 1112^2 + 2208^2 .

It is not an unprimeable number, because it can be changed into a prime (6111803) 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, 68628 + ... + 68716.

Almost surely, 2^6111808 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 6111808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6515100).

6111808 is an abundant number, since it is smaller than the sum of its proper divisors (6918392).

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

6111808 is a wasteful number, since it uses less digits than its factorization.

6111808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 25.

The square root of 6111808 is about 2472.2071110649. The cubic root of 6111808 is about 182.8338344547.

The spelling of 6111808 in words is "six million, one hundred eleven thousand, eight hundred eight".