6665562 has 24 divisors (see below), whose sum is σ = 14660256. Its totient is φ = 2188296.

The previous prime is 6665539. The next prime is 6665567. The reversal of 6665562 is 2655666.

It is not an unprimeable number, because it can be changed into a prime (6665567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1558 + ... + 3969.

It is an arithmetic number, because the mean of its divisors is an integer number (610844).

Almost surely, 2^6665562 is an apocalyptic number.

6665562 is an abundant number, since it is smaller than the sum of its proper divisors (7994694).

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

6665562 is a wasteful number, since it uses less digits than its factorization.

6665562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5602 (or 5599 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 6665562 is about 2581.7749708292. The cubic root of 6665562 is about 188.1968098907.

It can be divided in two parts, 6665 and 562, that added together give a palindrome (7227).

The spelling of 6665562 in words is "six million, six hundred sixty-five thousand, five hundred sixty-two".