66006206 has 32 divisors (see below), whose sum is σ = 120268800. Its totient is φ = 26522496.

The previous prime is 66006203. The next prime is 66006221. The reversal of 66006206 is 60260066.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66006203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109895 + ... + 110493.

It is an arithmetic number, because the mean of its divisors is an integer number (3758400).

Almost surely, 2^66006206 is an apocalyptic number.

66006206 is a deficient number, since it is larger than the sum of its proper divisors (54262594).

66006206 is a wasteful number, since it uses less digits than its factorization.

66006206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 66006206 is about 8124.4203485541. The cubic root of 66006206 is about 404.1366682993.

The spelling of 66006206 in words is "sixty-six million, six thousand, two hundred six".