66337673366 has 4 divisors (see below), whose sum is σ = 99506510052. Its totient is φ = 33168836682.

The previous prime is 66337673321. The next prime is 66337673401.

66337673366 is nontrivially palindromic in base 10.

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

It is a super-2 number, since 2×66337673366² (a number of 22 digits) contains 22 as substring.

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, 16584418340 + ... + 16584418343.

It is an arithmetic number, because the mean of its divisors is an integer number (24876627513).

Almost surely, 2^66337673366 is an apocalyptic number.

66337673366 is a deficient number, since it is larger than the sum of its proper divisors (33168836686).

66337673366 is a wasteful number, since it uses less digits than its factorization.

66337673366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33168836685.

The product of its digits is 30862944, while the sum is 56.

The spelling of 66337673366 in words is "sixty-six billion, three hundred thirty-seven million, six hundred seventy-three thousand, three hundred sixty-six".