2536666 has 8 divisors (see below), whose sum is σ = 4150944. Its totient is φ = 1153020.

The previous prime is 2536663. The next prime is 2536673. The reversal of 2536666 is 6666352.

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

It is not an unprimeable number, because it can be changed into a prime (2536663) 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, 57630 + ... + 57673.

It is an arithmetic number, because the mean of its divisors is an integer number (518868).

2^2536666 is an apocalyptic number.

2536666 is a deficient number, since it is larger than the sum of its proper divisors (1614278).

2536666 is a wasteful number, since it uses less digits than its factorization.

2536666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115316.

The product of its digits is 38880, while the sum is 34.

The square root of 2536666 is about 1592.6914327640. The cubic root of 2536666 is about 136.3811754679.

The spelling of 2536666 in words is "two million, five hundred thirty-six thousand, six hundred sixty-six".