66244844844266 has 16 divisors (see below), whose sum is σ = 108401089576608. Its totient is φ = 30111172450800.

The previous prime is 66244844844251. The next prime is 66244844844329.

It is a happy number.

66244844844266 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 66244844844196 and 66244844844205.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296840 + ... + 11514243.

It is an arithmetic number, because the mean of its divisors is an integer number (6775068098538).

Almost surely, 2^{66244844844266} is an apocalyptic number.

66244844844266 is a deficient number, since it is larger than the sum of its proper divisors (42156244732342).

66244844844266 is a wasteful number, since it uses less digits than its factorization.

66244844844266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12066037.

The product of its digits is 1358954496, while the sum is 68.

The spelling of 66244844844266 in words is "sixty-six trillion, two hundred forty-four billion, eight hundred forty-four million, eight hundred forty-four thousand, two hundred sixty-six".