6665164 has 36 divisors (see below), whose sum is σ = 13138272. Its totient is φ = 2955040.

The previous prime is 6665159. The next prime is 6665167. The reversal of 6665164 is 4615666.

It is a super-2 number, since 2×6665164² = 88848822293792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6665167) 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 11 ways as a sum of consecutive naturals, for example, 22602 + ... + 22894.

It is an arithmetic number, because the mean of its divisors is an integer number (364952).

Almost surely, 2^6665164 is an apocalyptic number.

It is an amenable number.

6665164 is a deficient number, since it is larger than the sum of its proper divisors (6473108).

6665164 is a wasteful number, since it uses less digits than its factorization.

6665164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366 (or 353 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The square root of 6665164 is about 2581.6978909237. The cubic root of 6665164 is about 188.1930640789.

The spelling of 6665164 in words is "six million, six hundred sixty-five thousand, one hundred sixty-four".