8694066661 has 8 divisors (see below), whose sum is σ = 9936831744. Its totient is φ = 7451490480.

The previous prime is 8694066649. The next prime is 8694066701. The reversal of 8694066661 is 1666604968.

8694066661 is digitally balanced in base 2 and base 3, because in such bases 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.

It is not a de Polignac number, because 8694066661 - 2⁹ = 8694066149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8694066599 and 8694066608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8694066061) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 71211 + ... + 149863.

It is an arithmetic number, because the mean of its divisors is an integer number (1242103968).

Almost surely, 2^8694066661 is an apocalyptic number.

It is an amenable number.

8694066661 is a deficient number, since it is larger than the sum of its proper divisors (1242765083).

8694066661 is a wasteful number, since it uses less digits than its factorization.

8694066661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94451.

The product of its (nonzero) digits is 2239488, while the sum is 52.

The square root of 8694066661 is about 93241.9790705882. The cubic root of 8694066661 is about 2056.2424559166.

The spelling of 8694066661 in words is "eight billion, six hundred ninety-four million, sixty-six thousand, six hundred sixty-one".