66195296 has 24 divisors (see below), whose sum is σ = 130659480. Its totient is φ = 33011968.

The previous prime is 66195289. The next prime is 66195301. The reversal of 66195296 is 69259166.

66195296 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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10940 + ... + 15876.

It is an arithmetic number, because the mean of its divisors is an integer number (5444145).

Almost surely, 2^66195296 is an apocalyptic number.

It is an amenable number.

66195296 is a deficient number, since it is larger than the sum of its proper divisors (64464184).

66195296 is a wasteful number, since it uses less digits than its factorization.

66195296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5366 (or 5358 counting only the distinct ones).

The product of its digits is 174960, while the sum is 44.

The square root of 66195296 is about 8136.0491640599. The cubic root of 66195296 is about 404.5222146019.

The spelling of 66195296 in words is "sixty-six million, one hundred ninety-five thousand, two hundred ninety-six".