1118594664 has 192 divisors, whose sum is σ = 3452467200. Its totient is φ = 335301120.

The previous prime is 1118594651. The next prime is 1118594671. The reversal of 1118594664 is 4664958111.

1118594664 is a `hidden beast` number, since 1 + 1 + 185 + 9 + 466 + 4 = 666.

Its product of digits (207360) is a multiple of the sum of its prime divisors (480).

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 47 ways as a sum of consecutive naturals, for example, 3319104 + ... + 3319440.

It is an arithmetic number, because the mean of its divisors is an integer number (17981600).

Almost surely, 2^1118594664 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 1118594664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1726233600).

1118594664 is an abundant number, since it is smaller than the sum of its proper divisors (2333872536).

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

1118594664 is a wasteful number, since it uses less digits than its factorization.

1118594664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501 (or 480 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 1118594664 is about 33445.3982484885. The cubic root of 1118594664 is about 1038.0642814947.

The spelling of 1118594664 in words is "one billion, one hundred eighteen million, five hundred ninety-four thousand, six hundred sixty-four".