7166566 has 8 divisors (see below), whose sum is σ = 11727144. Its totient is φ = 3257520.

The previous prime is 7166563. The next prime is 7166569. The reversal of 7166566 is 6656617.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7166563) and next prime (7166569).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7166561) 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 3 ways as a sum of consecutive naturals, for example, 162855 + ... + 162898.

It is an arithmetic number, because the mean of its divisors is an integer number (1465893).

Almost surely, 2^7166566 is an apocalyptic number.

7166566 is a deficient number, since it is larger than the sum of its proper divisors (4560578).

7166566 is a wasteful number, since it uses less digits than its factorization.

7166566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325766.

The product of its digits is 45360, while the sum is 37.

The square root of 7166566 is about 2677.0442656034. The cubic root of 7166566 is about 192.7985225979.

The spelling of 7166566 in words is "seven million, one hundred sixty-six thousand, five hundred sixty-six".