1118786368 has 56 divisors (see below), whose sum is σ = 2575186112. Its totient is φ = 472310784.

The previous prime is 1118786363. The next prime is 1118786407. The reversal of 1118786368 is 8636878111.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118786363) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 11380 + ... + 48652.

Almost surely, 2^1118786368 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 1118786368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1287593056).

1118786368 is an abundant number, since it is smaller than the sum of its proper divisors (1456399744).

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

1118786368 is an equidigital number, since it uses as much as digits as its factorization.

1118786368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37359 (or 37349 counting only the distinct ones).

The product of its digits is 387072, while the sum is 49.

The square root of 1118786368 is about 33448.2640506200. The cubic root of 1118786368 is about 1038.1235790265.

The spelling of 1118786368 in words is "one billion, one hundred eighteen million, seven hundred eighty-six thousand, three hundred sixty-eight".