6443254160 has 160 divisors (see below), whose sum is σ = 18442152960. Its totient is φ = 2044030464.

The previous prime is 6443254121. The next prime is 6443254177. The reversal of 6443254160 is 614523446.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 6443254160.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 450479 + ... + 464561.

It is an arithmetic number, because the mean of its divisors is an integer number (115263456).

Almost surely, 2^6443254160 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 6443254160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9221076480).

6443254160 is an abundant number, since it is smaller than the sum of its proper divisors (11998898800).

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

6443254160 is a wasteful number, since it uses less digits than its factorization.

6443254160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14165 (or 14159 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 6443254160 is about 80269.8832688824. The cubic root of 6443254160 is about 1860.8088130761.

The spelling of 6443254160 in words is "six billion, four hundred forty-three million, two hundred fifty-four thousand, one hundred sixty".