8500066 has 8 divisors (see below), whose sum is σ = 12847824. Its totient is φ = 4217460.

The previous prime is 8500061. The next prime is 8500067. The reversal of 8500066 is 6600058.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×8500066² = 144502244008712, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8500066.

It is not an unprimeable number, because it can be changed into a prime (8500061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15960 + ... + 16483.

It is an arithmetic number, because the mean of its divisors is an integer number (1605978).

Almost surely, 2^8500066 is an apocalyptic number.

8500066 is a deficient number, since it is larger than the sum of its proper divisors (4347758).

8500066 is a wasteful number, since it uses less digits than its factorization.

8500066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32576.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 8500066 is about 2915.4872663073. The cubic root of 8500066 is about 204.0832833087.

The spelling of 8500066 in words is "eight million, five hundred thousand, sixty-six".