6694868766 has 16 divisors (see below), whose sum is σ = 14094460800. Its totient is φ = 2114169048.

The previous prime is 6694868749. The next prime is 6694868777. The reversal of 6694868766 is 6678684966.

It is a junction number, because it is equal to n+sod(n) for n = 6694868697 and 6694868706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29363346 + ... + 29363573.

It is an arithmetic number, because the mean of its divisors is an integer number (880903800).

Almost surely, 2^6694868766 is an apocalyptic number.

6694868766 is an abundant number, since it is smaller than the sum of its proper divisors (7399592034).

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

6694868766 is a wasteful number, since it uses less digits than its factorization.

6694868766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58726943.

The product of its digits is 125411328, while the sum is 66.

The square root of 6694868766 is about 81822.1777148470. The cubic root of 6694868766 is about 1884.7222433841.

The spelling of 6694868766 in words is "six billion, six hundred ninety-four million, eight hundred sixty-eight thousand, seven hundred sixty-six".