7665166 has 8 divisors (see below), whose sum is σ = 11513664. Its totient is φ = 3827280.

The previous prime is 7665149. The next prime is 7665167. The reversal of 7665166 is 6615667.

It is a happy number.

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 (7665167) 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, 495 + ... + 3946.

It is an arithmetic number, because the mean of its divisors is an integer number (1439208).

Almost surely, 2^7665166 is an apocalyptic number.

7665166 is a deficient number, since it is larger than the sum of its proper divisors (3848498).

7665166 is a wasteful number, since it uses less digits than its factorization.

7665166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5306.

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

The square root of 7665166 is about 2768.6036191553. The cubic root of 7665166 is about 197.1698570256.

The spelling of 7665166 in words is "seven million, six hundred sixty-five thousand, one hundred sixty-six".