8716661994 has 8 divisors (see below), whose sum is σ = 17433324000. Its totient is φ = 2905553996.

The previous prime is 8716661981. The next prime is 8716662023. The reversal of 8716661994 is 4991666178.

8716661994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

8716661994 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 726388494 + ... + 726388505.

It is an arithmetic number, because the mean of its divisors is an integer number (2179165500).

Almost surely, 2^8716661994 is an apocalyptic number.

8716661994 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.

8716661994 is a wasteful number, since it uses less digits than its factorization.

8716661994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452777004.

The product of its digits is 3919104, while the sum is 57.

The square root of 8716661994 is about 93363.0654702383. The cubic root of 8716661994 is about 2058.0222632529.

The spelling of 8716661994 in words is "eight billion, seven hundred sixteen million, six hundred sixty-one thousand, nine hundred ninety-four".