66116628206 has 32 divisors (see below), whose sum is σ = 100995406848. Its totient is φ = 32457003840.

The previous prime is 66116628173. The next prime is 66116628223. The reversal of 66116628206 is 60282661166.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28169525 + ... + 28171871.

It is an arithmetic number, because the mean of its divisors is an integer number (3156106464).

Almost surely, 2^66116628206 is an apocalyptic number.

66116628206 is a deficient number, since it is larger than the sum of its proper divisors (34878778642).

66116628206 is a wasteful number, since it uses less digits than its factorization.

66116628206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3416.

The product of its (nonzero) digits is 248832, while the sum is 44.

The spelling of 66116628206 in words is "sixty-six billion, one hundred sixteen million, six hundred twenty-eight thousand, two hundred six".