66204266240266 has 64 divisors (see below), whose sum is σ = 123860241711360. Its totient is φ = 25783525647360.

The previous prime is 66204266240197. The next prime is 66204266240309.

66204266240266 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7245728850 + ... + 7245737986.

It is an arithmetic number, because the mean of its divisors is an integer number (1935316276740).

Almost surely, 2^{66204266240266} is an apocalyptic number.

66204266240266 is a deficient number, since it is larger than the sum of its proper divisors (57655975471094).

66204266240266 is a wasteful number, since it uses less digits than its factorization.

66204266240266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22879.

The product of its (nonzero) digits is 11943936, while the sum is 52.

The spelling of 66204266240266 in words is "sixty-six trillion, two hundred four billion, two hundred sixty-six million, two hundred forty thousand, two hundred sixty-six".