66345134 has 8 divisors (see below), whose sum is σ = 101945088. Its totient is φ = 32363440.

The previous prime is 66345121. The next prime is 66345143. The reversal of 66345134 is 43154366.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 66345134.

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, 404462 + ... + 404625.

It is an arithmetic number, because the mean of its divisors is an integer number (12743136).

Almost surely, 2^66345134 is an apocalyptic number.

66345134 is a deficient number, since it is larger than the sum of its proper divisors (35599954).

66345134 is a wasteful number, since it uses less digits than its factorization.

66345134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809130.

The product of its digits is 25920, while the sum is 32.

The square root of 66345134 is about 8145.2522367328. The cubic root of 66345134 is about 404.8272066824.

The spelling of 66345134 in words is "sixty-six million, three hundred forty-five thousand, one hundred thirty-four".