6506611166 has 24 divisors (see below), whose sum is σ = 10738877520. Its totient is φ = 2954508480.

The previous prime is 6506611103. The next prime is 6506611183. The reversal of 6506611166 is 6611166056.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 230855 + ... + 257501.

It is an arithmetic number, because the mean of its divisors is an integer number (447453230).

Almost surely, 2^6506611166 is an apocalyptic number.

6506611166 is a deficient number, since it is larger than the sum of its proper divisors (4232266354).

6506611166 is a wasteful number, since it uses less digits than its factorization.

6506611166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27680 (or 27669 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 6506611166 is about 80663.5677738098. The cubic root of 6506611166 is about 1866.8880883955. Note that the first 3 decimals are identical.

The spelling of 6506611166 in words is "six billion, five hundred six million, six hundred eleven thousand, one hundred sixty-six".