66146366364166 has 16 divisors (see below), whose sum is σ = 108288419434128. Its totient is φ = 30052943821600.

The previous prime is 66146366364161. The next prime is 66146366364167.

66146366364166 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 66146366364098 and 66146366364107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66146366364161) 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, 679267405 + ... + 679364776.

It is an arithmetic number, because the mean of its divisors is an integer number (6768026214633).

Almost surely, 2^{66146366364166} is an apocalyptic number.

66146366364166 is a deficient number, since it is larger than the sum of its proper divisors (42142053069962).

66146366364166 is a wasteful number, since it uses less digits than its factorization.

66146366364166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358634407.

The product of its digits is 241864704, while the sum is 64.

The spelling of 66146366364166 in words is "sixty-six trillion, one hundred forty-six billion, three hundred sixty-six million, three hundred sixty-four thousand, one hundred sixty-six".