6666427424 has 24 divisors (see below), whose sum is σ = 13309386048. Its totient is φ = 3286265920.

The previous prime is 6666427423. The next prime is 6666427441. The reversal of 6666427424 is 4247246666.

It is not an unprimeable number, because it can be changed into a prime (6666427423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1464812 + ... + 1469355.

It is an arithmetic number, because the mean of its divisors is an integer number (554557752).

Almost surely, 2^6666427424 is an apocalyptic number.

It is an amenable number.

6666427424 is a deficient number, since it is larger than the sum of its proper divisors (6642958624).

6666427424 is a wasteful number, since it uses less digits than its factorization.

6666427424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2934248 (or 2934240 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 47.

The square root of 6666427424 is about 81648.1930234834. The cubic root of 6666427424 is about 1882.0495438958.

The spelling of 6666427424 in words is "six billion, six hundred sixty-six million, four hundred twenty-seven thousand, four hundred twenty-four".