66695106 has 8 divisors (see below), whose sum is σ = 133390224. Its totient is φ = 22231700.

The previous prime is 66695093. The next prime is 66695117. The reversal of 66695106 is 60159666.

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

66695106 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5557920 + ... + 5557931.

It is an arithmetic number, because the mean of its divisors is an integer number (16673778).

Almost surely, 2^66695106 is an apocalyptic number.

66695106 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

66695106 is a wasteful number, since it uses less digits than its factorization.

66695106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11115856.

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 66695106 is about 8166.7071699676. The cubic root of 66695106 is about 405.5377827647.

The spelling of 66695106 in words is "sixty-six million, six hundred ninety-five thousand, one hundred six".