1118466864 has 60 divisors (see below), whose sum is σ = 3141813792. Its totient is φ = 371433600.

The previous prime is 1118466859. The next prime is 1118466883. The reversal of 1118466864 is 4686648111.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24694 + ... + 53354.

Almost surely, 2^1118466864 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 1118466864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1570906896).

1118466864 is an abundant number, since it is smaller than the sum of its proper divisors (2023346928).

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

1118466864 is a wasteful number, since it uses less digits than its factorization.

1118466864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28946 (or 28937 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 1118466864 is about 33443.4876171729. The cubic root of 1118466864 is about 1038.0247468679.

The spelling of 1118466864 in words is "one billion, one hundred eighteen million, four hundred sixty-six thousand, eight hundred sixty-four".