5665662 has 48 divisors (see below), whose sum is σ = 12946752. Its totient is φ = 1788480.

The previous prime is 5665661. The next prime is 5665687. The reversal of 5665662 is 2665665.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

Its product of digits (64800) is a multiple of the sum of its prime divisors (270).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5665661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31212 + ... + 31392.

It is an arithmetic number, because the mean of its divisors is an integer number (269724).

Almost surely, 2^5665662 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5665662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6473376).

5665662 is an abundant number, since it is smaller than the sum of its proper divisors (7281090).

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

5665662 is a wasteful number, since it uses less digits than its factorization.

5665662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273 (or 270 counting only the distinct ones).

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

The square root of 5665662 is about 2380.2651112849. The cubic root of 5665662 is about 178.2721712601.

The spelling of 5665662 in words is "five million, six hundred sixty-five thousand, six hundred sixty-two".