2662566 has 8 divisors (see below), whose sum is σ = 5325144. Its totient is φ = 887520.

The previous prime is 2662547. The next prime is 2662567. The reversal of 2662566 is 6652662.

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

2662566 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2662567) 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, 221875 + ... + 221886.

It is an arithmetic number, because the mean of its divisors is an integer number (665643).

2^2662566 is an apocalyptic number.

2662566 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2662566 is a wasteful number, since it uses less digits than its factorization.

2662566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443766.

The product of its digits is 25920, while the sum is 33.

The square root of 2662566 is about 1631.7371111794. The cubic root of 2662566 is about 138.6011373173.

The spelling of 2662566 in words is "two million, six hundred sixty-two thousand, five hundred sixty-six".