6666061432 has 16 divisors (see below), whose sum is σ = 12734693640. Its totient is φ = 3270143136.

The previous prime is 6666061421. The next prime is 6666061433. The reversal of 6666061432 is 2341606666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6666061433) 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, 7860498 + ... + 7861345.

Almost surely, 2^6666061432 is an apocalyptic number.

It is an amenable number.

6666061432 is a deficient number, since it is larger than the sum of its proper divisors (6068632208).

6666061432 is a wasteful number, since it uses less digits than its factorization.

6666061432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15721902 (or 15721898 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 40.

The square root of 6666061432 is about 81645.9517183798. The cubic root of 6666061432 is about 1882.0151012757.

The spelling of 6666061432 in words is "six billion, six hundred sixty-six million, sixty-one thousand, four hundred thirty-two".