1116718920 has 128 divisors (see below), whose sum is σ = 3918384000. Its totient is φ = 282113280.

The previous prime is 1116718907. The next prime is 1116718943. The reversal of 1116718920 is 298176111.

It is a super-2 number, since 2×1116718920² = 2494122292571932800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

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, 6691 + ... + 47730.

It is an arithmetic number, because the mean of its divisors is an integer number (30612375).

Almost surely, 2^1116718920 is an apocalyptic number.

1116718920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1116718920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1959192000).

1116718920 is an abundant number, since it is smaller than the sum of its proper divisors (2801665080).

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

1116718920 is a wasteful number, since it uses less digits than its factorization.

1116718920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54460 (or 54450 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 36.

The square root of 1116718920 is about 33417.3445982771. The cubic root of 1116718920 is about 1037.4837220071.

The spelling of 1116718920 in words is "one billion, one hundred sixteen million, seven hundred eighteen thousand, nine hundred twenty".