1117371666 has 8 divisors (see below), whose sum is σ = 2234743344. Its totient is φ = 372457220.

The previous prime is 1117371649. The next prime is 1117371679. The reversal of 1117371666 is 6661737111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

1117371666 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93114300 + ... + 93114311.

It is an arithmetic number, because the mean of its divisors is an integer number (279342918).

Almost surely, 2^1117371666 is an apocalyptic number.

1117371666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1117371666 is a wasteful number, since it uses less digits than its factorization.

1117371666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186228616.

The product of its digits is 31752, while the sum is 39.

The square root of 1117371666 is about 33427.1097464319. The cubic root of 1117371666 is about 1037.6858264137.

The spelling of 1117371666 in words is "one billion, one hundred seventeen million, three hundred seventy-one thousand, six hundred sixty-six".