6466622223999 has 8 divisors (see below), whose sum is σ = 9853900531840. Its totient is φ = 3695212699416.

The previous prime is 6466622223983. The next prime is 6466622224067. The reversal of 6466622223999 is 9993222266646.

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

It is not a de Polignac number, because 6466622223999 - 2⁴ = 6466622223983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6466622223949) 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, 153967195789 + ... + 153967195830.

It is an arithmetic number, because the mean of its divisors is an integer number (1231737566480).

Almost surely, 2^{6466622223999} is an apocalyptic number.

6466622223999 is a deficient number, since it is larger than the sum of its proper divisors (3387278307841).

6466622223999 is a wasteful number, since it uses less digits than its factorization.

6466622223999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307934391629.

The product of its digits is 181398528, while the sum is 66.

The spelling of 6466622223999 in words is "six trillion, four hundred sixty-six billion, six hundred twenty-two million, two hundred twenty-three thousand, nine hundred ninety-nine".