6416582320 has 40 divisors (see below), whose sum is σ = 15567191136. Its totient is φ = 2455039488.

The previous prime is 6416582317. The next prime is 6416582327. The reversal of 6416582320 is 232856146.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 6416582320.

It is not an unprimeable number, because it can be changed into a prime (6416582327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1741797 + ... + 1745476.

Almost surely, 2^6416582320 is an apocalyptic number.

It is an amenable number.

6416582320 is an abundant number, since it is smaller than the sum of its proper divisors (9150608816).

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

6416582320 is a wasteful number, since it uses less digits than its factorization.

6416582320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3487309 (or 3487303 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 6416582320 is about 80103.5724546665. The cubic root of 6416582320 is about 1858.2376570331.

The spelling of 6416582320 in words is "six billion, four hundred sixteen million, five hundred eighty-two thousand, three hundred twenty".