6165666 has 32 divisors (see below), whose sum is σ = 14757120. Its totient is φ = 1896912.

The previous prime is 6165637. The next prime is 6165673. The reversal of 6165666 is 6665616.

It is a self number, because there is not a number n which added to its sum of digits gives 6165666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3690 + ... + 5093.

It is an arithmetic number, because the mean of its divisors is an integer number (461160).

Almost surely, 2^6165666 is an apocalyptic number.

6165666 is an abundant number, since it is smaller than the sum of its proper divisors (8591454).

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

6165666 is a wasteful number, since it uses less digits than its factorization.

6165666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8807 (or 8801 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 6165666 is about 2483.0759150699. The cubic root of 6165666 is about 183.3693159859.

The spelling of 6165666 in words is "six million, one hundred sixty-five thousand, six hundred sixty-six".