6368195648 has 112 divisors (see below), whose sum is σ = 14171371200. Its totient is φ = 2821570560.

The previous prime is 6368195539. The next prime is 6368195663. The reversal of 6368195648 is 8465918636.

It is a happy number.

It is a super-2 number, since 2×6368195648² = 81107831622412279808, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6368195593 and 6368195602.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3699428 + ... + 3701148.

It is an arithmetic number, because the mean of its divisors is an integer number (126530100).

Almost surely, 2^6368195648 is an apocalyptic number.

6368195648 is a gapful number since it is divisible by the number (68) 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 6368195648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7085685600).

6368195648 is an abundant number, since it is smaller than the sum of its proper divisors (7803175552).

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

6368195648 is a wasteful number, since it uses less digits than its factorization.

6368195648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1948 (or 1938 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 56.

The square root of 6368195648 is about 79800.9752321361. The cubic root of 6368195648 is about 1853.5549514440.

The spelling of 6368195648 in words is "six billion, three hundred sixty-eight million, one hundred ninety-five thousand, six hundred forty-eight".