66334243366 has 4 divisors (see below), whose sum is σ = 99501365052. Its totient is φ = 33167121682.

The previous prime is 66334243337. The next prime is 66334243403.

66334243366 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16583560840 + ... + 16583560843.

It is an arithmetic number, because the mean of its divisors is an integer number (24875341263).

Almost surely, 2^66334243366 is an apocalyptic number.

66334243366 is a deficient number, since it is larger than the sum of its proper divisors (33167121686).

66334243366 is a wasteful number, since it uses less digits than its factorization.

66334243366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33167121685.

The product of its digits is 3359232, while the sum is 46.

The spelling of 66334243366 in words is "sixty-six billion, three hundred thirty-four million, two hundred forty-three thousand, three hundred sixty-six".