6396572160 has 640 divisors, whose sum is σ = 25455513600. Its totient is φ = 1509212160.

The previous prime is 6396572141. The next prime is 6396572177. The reversal of 6396572160 is 612756936.

6396572160 is a `hidden beast` number, since 63 + 9 + 6 + 572 + 16 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (640).

It is a super-2 number, since 2×6396572160² = 81832270796174131200, which contains 22 as substring.

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 63 ways as a sum of consecutive naturals, for example, 35734951 + ... + 35735129.

It is an arithmetic number, because the mean of its divisors is an integer number (39774240).

Almost surely, 2^6396572160 is an apocalyptic number.

6396572160 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 6396572160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12727756800).

6396572160 is an abundant number, since it is smaller than the sum of its proper divisors (19058941440).

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

6396572160 is a wasteful number, since it uses less digits than its factorization.

6396572160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269 (or 247 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The square root of 6396572160 is about 79978.5731305579. The cubic root of 6396572160 is about 1856.3040029182.

The spelling of 6396572160 in words is "six billion, three hundred ninety-six million, five hundred seventy-two thousand, one hundred sixty".