66164134676 has 12 divisors (see below), whose sum is σ = 115810414272. Its totient is φ = 33075444888.

The previous prime is 66164134643. The next prime is 66164134697. The reversal of 66164134676 is 67643146166.

66164134676 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1633100 + ... + 1673123.

It is an arithmetic number, because the mean of its divisors is an integer number (9650867856).

Almost surely, 2^66164134676 is an apocalyptic number.

It is an amenable number.

66164134676 is a deficient number, since it is larger than the sum of its proper divisors (49646279596).

66164134676 is a wasteful number, since it uses less digits than its factorization.

66164134676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3311230 (or 3311228 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 50.

The spelling of 66164134676 in words is "sixty-six billion, one hundred sixty-four million, one hundred thirty-four thousand, six hundred seventy-six".