6994346666 has 8 divisors (see below), whose sum is σ = 10829956224. Its totient is φ = 3384361260.

The previous prime is 6994346651. The next prime is 6994346677. The reversal of 6994346666 is 6666434996.

It is a happy number.

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

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, 56405960 + ... + 56406083.

It is an arithmetic number, because the mean of its divisors is an integer number (1353744528).

Almost surely, 2^6994346666 is an apocalyptic number.

6994346666 is a deficient number, since it is larger than the sum of its proper divisors (3835609558).

6994346666 is a wasteful number, since it uses less digits than its factorization.

6994346666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112812076.

The product of its digits is 30233088, while the sum is 59.

The square root of 6994346666 is about 83632.2106965970. The cubic root of 6994346666 is about 1912.4160707953.

The spelling of 6994346666 in words is "six billion, nine hundred ninety-four million, three hundred forty-six thousand, six hundred sixty-six".