81110414 has 24 divisors (see below), whose sum is σ = 152839344. Its totient is φ = 31600800.

The previous prime is 81110413. The next prime is 81110429. The reversal of 81110414 is 41401118.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (81110413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22247 + ... + 25634.

It is an arithmetic number, because the mean of its divisors is an integer number (6368306).

Almost surely, 2^81110414 is an apocalyptic number.

81110414 is a deficient number, since it is larger than the sum of its proper divisors (71728930).

81110414 is a wasteful number, since it uses less digits than its factorization.

81110414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47912 (or 47901 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

The square root of 81110414 is about 9006.1320221280. The cubic root of 81110414 is about 432.8713800323.

It can be divided in two parts, 811104 and 14, that added together give a palindrome (811118).

The spelling of 81110414 in words is "eighty-one million, one hundred ten thousand, four hundred fourteen".