66241814266 has 8 divisors (see below), whose sum is σ = 99387261504. Its totient is φ = 33112727100.

The previous prime is 66241814257. The next prime is 66241814279.

66241814266 is nontrivially palindromic in base 10.

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

It is a super-2 number, since 2×66241814266² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4079890 + ... + 4096093.

It is an arithmetic number, because the mean of its divisors is an integer number (12423407688).

Almost surely, 2^66241814266 is an apocalyptic number.

66241814266 is a deficient number, since it is larger than the sum of its proper divisors (33145447238).

66241814266 is a wasteful number, since it uses less digits than its factorization.

66241814266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8180036.

The product of its digits is 663552, while the sum is 46.

The spelling of 66241814266 in words is "sixty-six billion, two hundred forty-one million, eight hundred fourteen thousand, two hundred sixty-six".