6668007741 has 6 divisors (see below), whose sum is σ = 9631566750. Its totient is φ = 4445338488.

The previous prime is 6668007739. The next prime is 6668007743. The reversal of 6668007741 is 1477008666.

It is an interprime number because it is at equal distance from previous prime (6668007739) and next prime (6668007743).

It can be written as a sum of positive squares in only one way, i.e., 6667375716 + 632025 = 81654^2 + 795^2 .

It is not a de Polignac number, because 6668007741 - 2¹ = 6668007739 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6668007743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 370444866 + ... + 370444883.

It is an arithmetic number, because the mean of its divisors is an integer number (1605261125).

Almost surely, 2^6668007741 is an apocalyptic number.

It is an amenable number.

6668007741 is a deficient number, since it is larger than the sum of its proper divisors (2963559009).

6668007741 is a wasteful number, since it uses less digits than its factorization.

6668007741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740889755 (or 740889752 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 6668007741 is about 81657.8700493712. The cubic root of 6668007741 is about 1882.1982492273.

It can be divided in two parts, 666800 and 7741, that added together give a triangular number (674541 = T₁₁₆₁).

The spelling of 6668007741 in words is "six billion, six hundred sixty-eight million, seven thousand, seven hundred forty-one".