5666610 has 64 divisors (see below), whose sum is σ = 14805504. Its totient is φ = 1382400.

The previous prime is 5666599. The next prime is 5666621. The reversal of 5666610 is 166665.

It is an interprime number because it is at equal distance from previous prime (5666599) and next prime (5666621).

It is a super-2 number, since 2×5666610² = 64220937784200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 20775 + ... + 21045.

It is an arithmetic number, because the mean of its divisors is an integer number (231336).

Almost surely, 2^5666610 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5666610, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7402752).

5666610 is an abundant number, since it is smaller than the sum of its proper divisors (9138894).

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

5666610 is a wasteful number, since it uses less digits than its factorization.

5666610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 5666610 is about 2380.4642404371. The cubic root of 5666610 is about 178.2821137636.

Subtracting from 5666610 its reverse (166665), we obtain a palindrome (5499945).

It can be divided in two parts, 56 and 66610, that added together give a palindrome (66666).

The spelling of 5666610 in words is "five million, six hundred sixty-six thousand, six hundred ten".