66093108 has 12 divisors (see below), whose sum is σ = 154217280. Its totient is φ = 22031032.

The previous prime is 66093101. The next prime is 66093113. The reversal of 66093108 is 80139066.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66093101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2753868 + ... + 2753891.

It is an arithmetic number, because the mean of its divisors is an integer number (12851440).

Almost surely, 2^66093108 is an apocalyptic number.

It is an amenable number.

66093108 is an abundant number, since it is smaller than the sum of its proper divisors (88124172).

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

66093108 is a wasteful number, since it uses less digits than its factorization.

66093108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5507766 (or 5507764 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 66093108 is about 8129.7667863230. The cubic root of 66093108 is about 404.3139490195.

The spelling of 66093108 in words is "sixty-six million, ninety-three thousand, one hundred eight".