4255386536666 has 48 divisors (see below), whose sum is σ = 7215505847424. Its totient is φ = 1874713095552.

The previous prime is 4255386536641. The next prime is 4255386536701. The reversal of 4255386536666 is 6666356835524.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1671620 + ... + 3362303.

It is an arithmetic number, because the mean of its divisors is an integer number (150323038488).

Almost surely, 2^{4255386536666} is an apocalyptic number.

4255386536666 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

4255386536666 is a deficient number, since it is larger than the sum of its proper divisors (2960119310758).

4255386536666 is a wasteful number, since it uses less digits than its factorization.

4255386536666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5034035 (or 5034012 counting only the distinct ones).

The product of its digits is 559872000, while the sum is 65.

The spelling of 4255386536666 in words is "four trillion, two hundred fifty-five billion, three hundred eighty-six million, five hundred thirty-six thousand, six hundred sixty-six".