1116564306 has 64 divisors (see below), whose sum is σ = 2655313920. Its totient is φ = 308543040.

The previous prime is 1116564271. The next prime is 1116564311. The reversal of 1116564306 is 6034656111.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63375 + ... + 79053.

It is an arithmetic number, because the mean of its divisors is an integer number (41489280).

Almost surely, 2^1116564306 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1116564306, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1327656960).

1116564306 is an abundant number, since it is smaller than the sum of its proper divisors (1538749614).

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

1116564306 is a wasteful number, since it uses less digits than its factorization.

1116564306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15791.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 1116564306 is about 33415.0311386957. The cubic root of 1116564306 is about 1037.4358386025.

The spelling of 1116564306 in words is "one billion, one hundred sixteen million, five hundred sixty-four thousand, three hundred six".