6466091712 has 112 divisors (see below), whose sum is σ = 18165836160. Its totient is φ = 2022838272.

The previous prime is 6466091711. The next prime is 6466091713. The reversal of 6466091712 is 2171906646.

It is an interprime number because it is at equal distance from previous prime (6466091711) and next prime (6466091713).

It is not an unprimeable number, because it can be changed into a prime (6466091711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1234443 + ... + 1239669.

Almost surely, 2^6466091712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6466091712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9082918080).

6466091712 is an abundant number, since it is smaller than the sum of its proper divisors (11699744448).

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

6466091712 is a wasteful number, since it uses less digits than its factorization.

6466091712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5638 (or 5628 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 6466091712 is about 80412.0122369786. The cubic root of 6466091712 is about 1863.0047122003.

The spelling of 6466091712 in words is "six billion, four hundred sixty-six million, ninety-one thousand, seven hundred twelve".