8536666 has 4 divisors (see below), whose sum is σ = 12805002. Its totient is φ = 4268332.

The previous prime is 8536637. The next prime is 8536673. The reversal of 8536666 is 6666358.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8151025 + 385641 = 2855^2 + 621^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2134165 + ... + 2134168.

Almost surely, 2^8536666 is an apocalyptic number.

8536666 is a deficient number, since it is larger than the sum of its proper divisors (4268336).

8536666 is a wasteful number, since it uses less digits than its factorization.

8536666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4268335.

The product of its digits is 155520, while the sum is 40.

The square root of 8536666 is about 2921.7573478987. The cubic root of 8536666 is about 204.3757811540.

The spelling of 8536666 in words is "eight million, five hundred thirty-six thousand, six hundred sixty-six".