1116315864 has 32 divisors (see below), whose sum is σ = 3100878000. Its totient is φ = 372105216.

The previous prime is 1116315853. The next prime is 1116315869. The reversal of 1116315864 is 4685136111.

It is a happy number.

1116315864 is a `hidden beast` number, since 1 + 11 + 63 + 1 + 586 + 4 = 666.

It is a super-2 number, since 2×1116315864² = 2492322216436132992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116315869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2583849 + ... + 2584280.

Almost surely, 2^1116315864 is an apocalyptic number.

It is an amenable number.

1116315864 is an abundant number, since it is smaller than the sum of its proper divisors (1984562136).

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

1116315864 is a wasteful number, since it uses less digits than its factorization.

1116315864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5168144 (or 5168134 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 1116315864 is about 33411.3134132737. The cubic root of 1116315864 is about 1037.3588877417.

The spelling of 1116315864 in words is "one billion, one hundred sixteen million, three hundred fifteen thousand, eight hundred sixty-four".