5665366 has 16 divisors (see below), whose sum is σ = 9975456. Its totient is φ = 2362176.

The previous prime is 5665351. The next prime is 5665367. The reversal of 5665366 is 6635665.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5665367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4951 + ... + 5986.

It is an arithmetic number, because the mean of its divisors is an integer number (623466).

Almost surely, 2^5665366 is an apocalyptic number.

5665366 is a deficient number, since it is larger than the sum of its proper divisors (4310090).

5665366 is a wasteful number, since it uses less digits than its factorization.

5665366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10983.

The product of its digits is 97200, while the sum is 37.

The square root of 5665366 is about 2380.2029325249. The cubic root of 5665366 is about 178.2690666225.

Subtracting 5665366 from its reverse (6635665), we obtain a cube (970299 = 99³).

The spelling of 5665366 in words is "five million, six hundred sixty-five thousand, three hundred sixty-six".