1116553968 has 60 divisors (see below), whose sum is σ = 3183780600. Its totient is φ = 365159808.

The previous prime is 1116553961. The next prime is 1116553979. The reversal of 1116553968 is 8693556111.

1116553968 is a `hidden beast` number, since 1 + 1 + 1 + 6 + 553 + 96 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116553961) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65518 + ... + 80781.

It is an arithmetic number, because the mean of its divisors is an integer number (53063010).

Almost surely, 2^1116553968 is an apocalyptic number.

1116553968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1116553968 is an abundant number, since it is smaller than the sum of its proper divisors (2067226632).

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

1116553968 is a wasteful number, since it uses less digits than its factorization.

1116553968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146366 (or 146357 counting only the distinct ones).

The product of its digits is 194400, while the sum is 45.

The square root of 1116553968 is about 33414.8764474747. The cubic root of 1116553968 is about 1037.4326368031.

The spelling of 1116553968 in words is "one billion, one hundred sixteen million, five hundred fifty-three thousand, nine hundred sixty-eight".