66268703170 has 32 divisors (see below), whose sum is σ = 128683394928. Its totient is φ = 24477493248.

The previous prime is 66268703159. The next prime is 66268703183. The reversal of 66268703170 is 7130786266.

It can be written as a sum of positive squares in 8 ways, for example, as 20985288769 + 45283414401 = 144863^2 + 212799^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 66268703170.

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, 3668499 + ... + 3686518.

Almost surely, 2^66268703170 is an apocalyptic number.

66268703170 is a deficient number, since it is larger than the sum of its proper divisors (62414691758).

66268703170 is a wasteful number, since it uses less digits than its factorization.

66268703170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7355094.

The product of its (nonzero) digits is 508032, while the sum is 46.

The spelling of 66268703170 in words is "sixty-six billion, two hundred sixty-eight million, seven hundred three thousand, one hundred seventy".