59966855566 has 16 divisors (see below), whose sum is σ = 92452140720. Its totient is φ = 29160521280.

The previous prime is 59966855563. The next prime is 59966855623. The reversal of 59966855566 is 66555866995.

It is a junction number, because it is equal to n+sod(n) for n = 59966855495 and 59966855504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (59966855563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2750556 + ... + 2772271.

It is an arithmetic number, because the mean of its divisors is an integer number (5778258795).

Almost surely, 2^59966855566 is an apocalyptic number.

59966855566 is a deficient number, since it is larger than the sum of its proper divisors (32485285154).

59966855566 is a wasteful number, since it uses less digits than its factorization.

59966855566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5522979.

The product of its digits is 524880000, while the sum is 70.

The spelling of 59966855566 in words is "fifty-nine billion, nine hundred sixty-six million, eight hundred fifty-five thousand, five hundred sixty-six".