66123341366 has 8 divisors (see below), whose sum is σ = 99392080320. Its totient is φ = 32992647928.

The previous prime is 66123341353. The next prime is 66123341377. The reversal of 66123341366 is 66314332166.

It is a happy number.

66123341366 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34510181 + ... + 34512096.

It is an arithmetic number, because the mean of its divisors is an integer number (12424010040).

Almost surely, 2^66123341366 is an apocalyptic number.

66123341366 is a deficient number, since it is larger than the sum of its proper divisors (33268738954).

66123341366 is a wasteful number, since it uses less digits than its factorization.

66123341366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69022758.

The product of its digits is 279936, while the sum is 41.

The spelling of 66123341366 in words is "sixty-six billion, one hundred twenty-three million, three hundred forty-one thousand, three hundred sixty-six".