6675665766 has 32 divisors (see below), whose sum is σ = 16645817088. Its totient is φ = 1733939040.

The previous prime is 6675665753. The next prime is 6675665807.

6675665766 is nontrivially palindromic in base 10.

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, 7224285 + ... + 7225208.

It is an arithmetic number, because the mean of its divisors is an integer number (520181784).

Almost surely, 2^6675665766 is an apocalyptic number.

6675665766 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

6675665766 is an abundant number, since it is smaller than the sum of its proper divisors (9970151322).

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

6675665766 is a wasteful number, since it uses less digits than its factorization.

6675665766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14449516.

The product of its digits is 57153600, while the sum is 60.

The square root of 6675665766 is about 81704.7475120020. The cubic root of 6675665766 is about 1882.9185246743.

The spelling of 6675665766 in words is "six billion, six hundred seventy-five million, six hundred sixty-five thousand, seven hundred sixty-six".