1117968216 has 32 divisors (see below), whose sum is σ = 2798905200. Its totient is φ = 372124800.

The previous prime is 1117968193. The next prime is 1117968217. The reversal of 1117968216 is 6128697111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117968217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15835 + ... + 49866.

Almost surely, 2^1117968216 is an apocalyptic number.

It is an amenable number.

1117968216 is an abundant number, since it is smaller than the sum of its proper divisors (1680936984).

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

1117968216 is a wasteful number, since it uses less digits than its factorization.

1117968216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66419 (or 66415 counting only the distinct ones).

The product of its digits is 36288, while the sum is 42.

The square root of 1117968216 is about 33436.0317023417. The cubic root of 1117968216 is about 1037.8704624863.

The spelling of 1117968216 in words is "one billion, one hundred seventeen million, nine hundred sixty-eight thousand, two hundred sixteen".