6694884966 has 32 divisors (see below), whose sum is σ = 16693740288. Its totient is φ = 1738931040.

The previous prime is 6694884953. The next prime is 6694884979.

6694884966 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (6694884953) and next prime (6694884979).

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6694884897 and 6694884906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7245085 + ... + 7246008.

It is an arithmetic number, because the mean of its divisors is an integer number (521679384).

Almost surely, 2^6694884966 is an apocalyptic number.

6694884966 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

6694884966 is an abundant number, since it is smaller than the sum of its proper divisors (9998855322).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6694884966 is a wasteful number, since it uses less digits than its factorization.

6694884966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14491116.

The product of its digits is 107495424, while the sum is 66.

The square root of 6694884966 is about 81822.2767099523. The cubic root of 6694884966 is about 1884.7237635770.

The spelling of 6694884966 in words is "six billion, six hundred ninety-four million, eight hundred eighty-four thousand, nine hundred sixty-six".