6506502166 has 8 divisors (see below), whose sum is σ = 9801641304. Its totient is φ = 3239288400.

The previous prime is 6506502161. The next prime is 6506502169. The reversal of 6506502166 is 6612056056.

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 (6506502161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6980760 + ... + 6981691.

It is an arithmetic number, because the mean of its divisors is an integer number (1225205163).

Almost surely, 2^6506502166 is an apocalyptic number.

6506502166 is a deficient number, since it is larger than the sum of its proper divisors (3295139138).

6506502166 is a wasteful number, since it uses less digits than its factorization.

6506502166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13962686.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 6506502166 is about 80662.8921251898. The cubic root of 6506502166 is about 1866.8776635146.

The spelling of 6506502166 in words is "six billion, five hundred six million, five hundred two thousand, one hundred sixty-six".