66606093 has 12 divisors (see below), whose sum is σ = 96715008. Its totient is φ = 44170440.

The previous prime is 66606061. The next prime is 66606121. The reversal of 66606093 is 39060666.

66606093 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 66606093 - 2⁵ = 66606061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66606013) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 17655 + ... + 21092.

It is an arithmetic number, because the mean of its divisors is an integer number (8059584).

Almost surely, 2^66606093 is an apocalyptic number.

It is an amenable number.

66606093 is a deficient number, since it is larger than the sum of its proper divisors (30108915).

66606093 is a wasteful number, since it uses less digits than its factorization.

66606093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38944 (or 38941 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 66606093 is about 8161.2556019279. The cubic root of 66606093 is about 405.3572887330.

The spelling of 66606093 in words is "sixty-six million, six hundred six thousand, ninety-three".