6446582166 has 8 divisors (see below), whose sum is σ = 12893164344. Its totient is φ = 2148860720.

The previous prime is 6446582161. The next prime is 6446582167. The reversal of 6446582166 is 6612856446.

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

6446582166 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6446582161) 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, 537215175 + ... + 537215186.

It is an arithmetic number, because the mean of its divisors is an integer number (1611645543).

Almost surely, 2^6446582166 is an apocalyptic number.

6446582166 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6446582166 is a wasteful number, since it uses less digits than its factorization.

6446582166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074430366.

The product of its digits is 1658880, while the sum is 48.

The square root of 6446582166 is about 80290.6106963946. The cubic root of 6446582166 is about 1861.1291334626.

The spelling of 6446582166 in words is "six billion, four hundred forty-six million, five hundred eighty-two thousand, one hundred sixty-six".