66100506627 has 16 divisors (see below), whose sum is σ = 92856384000. Its totient is φ = 41710004064.

The previous prime is 66100506613. The next prime is 66100506629. The reversal of 66100506627 is 72660500166.

66100506627 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 66100506627 - 2⁴ = 66100506611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66100506629) 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, 459627 + ... + 586052.

It is an arithmetic number, because the mean of its divisors is an integer number (5803524000).

Almost surely, 2^66100506627 is an apocalyptic number.

66100506627 is a deficient number, since it is larger than the sum of its proper divisors (26755877373).

66100506627 is a wasteful number, since it uses less digits than its factorization.

66100506627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046810.

The product of its (nonzero) digits is 90720, while the sum is 39.

The spelling of 66100506627 in words is "sixty-six billion, one hundred million, five hundred six thousand, six hundred twenty-seven".