66066105 has 32 divisors (see below), whose sum is σ = 121538304. Its totient is φ = 30018816.

The previous prime is 66066101. The next prime is 66066107. The reversal of 66066105 is 50166066.

It is not a de Polignac number, because 66066105 - 2² = 66066101 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66066101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16347 + ... + 19983.

It is an arithmetic number, because the mean of its divisors is an integer number (3798072).

Almost surely, 2^66066105 is an apocalyptic number.

It is an amenable number.

66066105 is a deficient number, since it is larger than the sum of its proper divisors (55472199).

66066105 is a wasteful number, since it uses less digits than its factorization.

66066105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3825.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 66066105 is about 8128.1058679129. The cubic root of 66066105 is about 404.2588793505.

The spelling of 66066105 in words is "sixty-six million, sixty-six thousand, one hundred five".