6662743331 has 8 divisors (see below), whose sum is σ = 6730437744. Its totient is φ = 6595325440.

The previous prime is 6662743313. The next prime is 6662743369. The reversal of 6662743331 is 1333472666.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6662743331 - 2⁶ = 6662743267 is a prime.

It is a super-2 number, since 2×6662743331² = 88784297389569951122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6662743631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20525 + ... + 117246.

It is an arithmetic number, because the mean of its divisors is an integer number (841304718).

Almost surely, 2^6662743331 is an apocalyptic number.

6662743331 is a deficient number, since it is larger than the sum of its proper divisors (67694413).

6662743331 is a wasteful number, since it uses less digits than its factorization.

6662743331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138261.

The product of its digits is 326592, while the sum is 41.

The square root of 6662743331 is about 81625.6291308067. The cubic root of 6662743331 is about 1881.7027852920.

The spelling of 6662743331 in words is "six billion, six hundred sixty-two million, seven hundred forty-three thousand, three hundred thirty-one".