4416891818 has 8 divisors (see below), whose sum is σ = 6665010912. Its totient is φ = 2195221516.

The previous prime is 4416891803. The next prime is 4416891827. The reversal of 4416891818 is 8181986144.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6611780 + ... + 6612447.

It is an arithmetic number, because the mean of its divisors is an integer number (833126364).

Almost surely, 2^4416891818 is an apocalyptic number.

4416891818 is a deficient number, since it is larger than the sum of its proper divisors (2248119094).

4416891818 is a wasteful number, since it uses less digits than its factorization.

4416891818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13224396.

The product of its digits is 442368, while the sum is 50.

The square root of 4416891818 is about 66459.7007065184. The cubic root of 4416891818 is about 1640.7368067878.

The spelling of 4416891818 in words is "four billion, four hundred sixteen million, eight hundred ninety-one thousand, eight hundred eighteen".