6668056431 has 32 divisors (see below), whose sum is σ = 10382400000. Its totient is φ = 4221448704.

The previous prime is 6668056363. The next prime is 6668056457. The reversal of 6668056431 is 1346508666.

It is not a de Polignac number, because 6668056431 - 2¹⁹ = 6667532143 is a prime.

It is a super-2 number, since 2×6668056431² = 88925953134000915522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6668056481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47695 + ... + 124943.

It is an arithmetic number, because the mean of its divisors is an integer number (324450000).

Almost surely, 2^6668056431 is an apocalyptic number.

6668056431 is a deficient number, since it is larger than the sum of its proper divisors (3714343569).

6668056431 is a wasteful number, since it uses less digits than its factorization.

6668056431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77420 (or 77414 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The square root of 6668056431 is about 81658.1681829809. The cubic root of 6668056431 is about 1882.2028305062.

The spelling of 6668056431 in words is "six billion, six hundred sixty-eight million, fifty-six thousand, four hundred thirty-one".