6389660160 has 480 divisors, whose sum is σ = 24621727680. Its totient is φ = 1569964032.

The previous prime is 6389660159. The next prime is 6389660191. The reversal of 6389660160 is 610669836.

6389660160 is a `hidden beast` number, since 6 + 38 + 9 + 6 + 601 + 6 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11681007 + ... + 11681553.

It is an arithmetic number, because the mean of its divisors is an integer number (51295266).

Almost surely, 2^6389660160 is an apocalyptic number.

6389660160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6389660160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12310863840).

6389660160 is an abundant number, since it is smaller than the sum of its proper divisors (18232067520).

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

6389660160 is a wasteful number, since it uses less digits than its factorization.

6389660160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605 (or 570 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 6389660160 is about 79935.3498772602. The cubic root of 6389660160 is about 1855.6351343807.

The spelling of 6389660160 in words is "six billion, three hundred eighty-nine million, six hundred sixty thousand, one hundred sixty".