66244366344266 has 16 divisors (see below), whose sum is σ = 108575560831680. Its totient is φ = 30062273213280.

The previous prime is 66244366344229. The next prime is 66244366344269.

66244366344266 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 66244366344199 and 66244366344208.

It is not an unprimeable number, because it can be changed into a prime (66244366344269) 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, 2440106006 + ... + 2440133153.

It is an arithmetic number, because the mean of its divisors is an integer number (6785972551980).

Almost surely, 2^{66244366344266} is an apocalyptic number.

66244366344266 is a deficient number, since it is larger than the sum of its proper divisors (42331194487414).

66244366344266 is a wasteful number, since it uses less digits than its factorization.

66244366344266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4880239789.

The product of its digits is 429981696, while the sum is 62.

The spelling of 66244366344266 in words is "sixty-six trillion, two hundred forty-four billion, three hundred sixty-six million, three hundred forty-four thousand, two hundred sixty-six".