66167476166 has 12 divisors (see below), whose sum is σ = 109094310276. Its totient is φ = 30076125420.

The previous prime is 66167476153. The next prime is 66167476169.

66167476166 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66167476169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 136709420 + ... + 136709903.

It is an arithmetic number, because the mean of its divisors is an integer number (9091192523).

Almost surely, 2^66167476166 is an apocalyptic number.

66167476166 is a deficient number, since it is larger than the sum of its proper divisors (42926834110).

66167476166 is a wasteful number, since it uses less digits than its factorization.

66167476166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273419347 (or 273419336 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 56.

The spelling of 66167476166 in words is "sixty-six billion, one hundred sixty-seven million, four hundred seventy-six thousand, one hundred sixty-six".