66134676 has 12 divisors (see below), whose sum is σ = 154314272. Its totient is φ = 22044888.

The previous prime is 66134669. The next prime is 66134701. The reversal of 66134676 is 67643166.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

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, 2755600 + ... + 2755623.

Almost surely, 2^66134676 is an apocalyptic number.

It is an amenable number.

66134676 is an abundant number, since it is smaller than the sum of its proper divisors (88179596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66134676 is a wasteful number, since it uses less digits than its factorization.

66134676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5511230 (or 5511228 counting only the distinct ones).

The product of its digits is 108864, while the sum is 39.

The square root of 66134676 is about 8132.3229153791. The cubic root of 66134676 is about 404.3986931055.

The spelling of 66134676 in words is "sixty-six million, one hundred thirty-four thousand, six hundred seventy-six".