6699229966 has 48 divisors (see below), whose sum is σ = 11899904400. Its totient is φ = 2803906560.

The previous prime is 6699229963. The next prime is 6699229981.

6699229966 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×6699229966² = 89759364274704722312, which contains 22 as substring.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 6699229898 and 6699229907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6699229963) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1667376 + ... + 1671388.

It is an arithmetic number, because the mean of its divisors is an integer number (247914675).

Almost surely, 2^6699229966 is an apocalyptic number.

6699229966 is a deficient number, since it is larger than the sum of its proper divisors (5200674434).

6699229966 is a wasteful number, since it uses less digits than its factorization.

6699229966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4501 (or 4488 counting only the distinct ones).

The product of its digits is 34012224, while the sum is 64.

The square root of 6699229966 is about 81848.8238522705. The cubic root of 6699229966 is about 1885.1314058215.

The spelling of 6699229966 in words is "six billion, six hundred ninety-nine million, two hundred twenty-nine thousand, nine hundred sixty-six".