5621166 has 48 divisors (see below), whose sum is σ = 12729600. Its totient is φ = 1791504.

The previous prime is 5621159. The next prime is 5621173. The reversal of 5621166 is 6611265.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5621159) and next prime (5621173).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 71115 + ... + 71193.

It is an arithmetic number, because the mean of its divisors is an integer number (265200).

Almost surely, 2^5621166 is an apocalyptic number.

5621166 is an abundant number, since it is smaller than the sum of its proper divisors (7108434).

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

5621166 is a wasteful number, since it uses less digits than its factorization.

5621166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213 (or 210 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 5621166 is about 2370.8998291788. The cubic root of 5621166 is about 177.8042497328.

Subtracting 5621166 from its reverse (6611265), we obtain a palindrome (990099).

It can be divided in two parts, 562 and 1166, that added together give a cube (1728 = 12³).

The spelling of 5621166 in words is "five million, six hundred twenty-one thousand, one hundred sixty-six".