6505611166 has 8 divisors (see below), whose sum is σ = 9758865600. Its totient is φ = 3252655968.

The previous prime is 6505611139. The next prime is 6505611239. The reversal of 6505611166 is 6611165056.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8811 + ... + 114406.

It is an arithmetic number, because the mean of its divisors is an integer number (1219858200).

Almost surely, 2^6505611166 is an apocalyptic number.

6505611166 is a deficient number, since it is larger than the sum of its proper divisors (3253254434).

6505611166 is a wasteful number, since it uses less digits than its factorization.

6505611166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149618.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 6505611166 is about 80657.3689503941. The cubic root of 6505611166 is about 1866.7924429210.

The spelling of 6505611166 in words is "six billion, five hundred five million, six hundred eleven thousand, one hundred sixty-six".