66343834366 has 4 divisors (see below), whose sum is σ = 99515751552. Its totient is φ = 33171917182.

The previous prime is 66343834331. The next prime is 66343834399.

66343834366 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 polite number, since it can be written as a sum of consecutive naturals, namely, 16585958590 + ... + 16585958593.

It is an arithmetic number, because the mean of its divisors is an integer number (24878937888).

Almost surely, 2^66343834366 is an apocalyptic number.

66343834366 is a deficient number, since it is larger than the sum of its proper divisors (33171917186).

66343834366 is a wasteful number, since it uses less digits than its factorization.

66343834366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33171917185.

The product of its digits is 13436928, while the sum is 52.

The spelling of 66343834366 in words is "sixty-six billion, three hundred forty-three million, eight hundred thirty-four thousand, three hundred sixty-six".