116889666 has 8 divisors (see below), whose sum is σ = 233779344. Its totient is φ = 38963220.

The previous prime is 116889659. The next prime is 116889673. The reversal of 116889666 is 666988611.

It is an interprime number because it is at equal distance from previous prime (116889659) and next prime (116889673).

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

116889666 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, 9740800 + ... + 9740811.

It is an arithmetic number, because the mean of its divisors is an integer number (29222418).

Almost surely, 2^116889666 is an apocalyptic number.

116889666 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.

116889666 is a wasteful number, since it uses less digits than its factorization.

116889666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19481616.

The product of its digits is 746496, while the sum is 51.

The square root of 116889666 is about 10811.5524324678. The cubic root of 116889666 is about 488.9435325247.

The spelling of 116889666 in words is "one hundred sixteen million, eight hundred eighty-nine thousand, six hundred sixty-six".