6666463355 has 8 divisors (see below), whose sum is σ = 8257812864. Its totient is φ = 5161132800.

The previous prime is 6666463339. The next prime is 6666463357. The reversal of 6666463355 is 5533646666.

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

It is not a de Polignac number, because 6666463355 - 2⁴ = 6666463339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6666463357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21504566 + ... + 21504875.

It is an arithmetic number, because the mean of its divisors is an integer number (1032226608).

Almost surely, 2^6666463355 is an apocalyptic number.

6666463355 is a deficient number, since it is larger than the sum of its proper divisors (1591349509).

6666463355 is a wasteful number, since it uses less digits than its factorization.

6666463355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43009477.

The product of its digits is 6998400, while the sum is 50.

The square root of 6666463355 is about 81648.4130586749. The cubic root of 6666463355 is about 1882.0529252072.

The spelling of 6666463355 in words is "six billion, six hundred sixty-six million, four hundred sixty-three thousand, three hundred fifty-five".