6448862160 has 240 divisors, whose sum is σ = 23431406544. Its totient is φ = 1580064768.

The previous prime is 6448862159. The next prime is 6448862171. The reversal of 6448862160 is 612688446.

6448862160 is a `hidden beast` number, since 6 + 4 + 488 + 6 + 2 + 160 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 2026080144 + 4422782016 = 45012^2 + 66504^2 .

It is a tau number, because it is divible by the number of its divisors (240).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 2179402 + ... + 2182358.

Almost surely, 2^6448862160 is an apocalyptic number.

6448862160 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 6448862160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11715703272).

6448862160 is an abundant number, since it is smaller than the sum of its proper divisors (16982544384).

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

6448862160 is a wasteful number, since it uses less digits than its factorization.

6448862160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3222 (or 3213 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The square root of 6448862160 is about 80304.8078261819. The cubic root of 6448862160 is about 1861.3485191252.

The spelling of 6448862160 in words is "six billion, four hundred forty-eight million, eight hundred sixty-two thousand, one hundred sixty".