66134156 has 12 divisors (see below), whose sum is σ = 126256200. Its totient is φ = 30060960.

The previous prime is 66134149. The next prime is 66134161. The reversal of 66134156 is 65143166.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 751481 + ... + 751568.

It is an arithmetic number, because the mean of its divisors is an integer number (10521350).

Almost surely, 2^66134156 is an apocalyptic number.

It is an amenable number.

66134156 is a deficient number, since it is larger than the sum of its proper divisors (60122044).

66134156 is a wasteful number, since it uses less digits than its factorization.

66134156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1503064 (or 1503062 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

The square root of 66134156 is about 8132.2909441313. The cubic root of 66134156 is about 404.3976332083.

The spelling of 66134156 in words is "sixty-six million, one hundred thirty-four thousand, one hundred fifty-six".