66927622672966 has 16 divisors (see below), whose sum is σ = 110150979623568. Its totient is φ = 30245798999200.

The previous prime is 66927622672961. The next prime is 66927622672979.

66927622672966 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 66927622672892 and 66927622672901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66927622672961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8792379625 + ... + 8792387236.

It is an arithmetic number, because the mean of its divisors is an integer number (6884436226473).

Almost surely, 2^{66927622672966} is an apocalyptic number.

66927622672966 is a deficient number, since it is larger than the sum of its proper divisors (43223356950602).

66927622672966 is a wasteful number, since it uses less digits than its factorization.

66927622672966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17584767047.

The product of its digits is 2962842624, while the sum is 76.

The spelling of 66927622672966 in words is "sixty-six trillion, nine hundred twenty-seven billion, six hundred twenty-two million, six hundred seventy-two thousand, nine hundred sixty-six".