6365644896 has 96 divisors (see below), whose sum is σ = 18016846848. Its totient is φ = 1956303360.

The previous prime is 6365644889. The next prime is 6365644903. The reversal of 6365644896 is 6984465636.

It is an interprime number because it is at equal distance from previous prime (6365644889) and next prime (6365644903).

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

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, 1234195 + ... + 1239341.

It is an arithmetic number, because the mean of its divisors is an integer number (187675488).

Almost surely, 2^6365644896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6365644896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9008423424).

6365644896 is an abundant number, since it is smaller than the sum of its proper divisors (11651201952).

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

6365644896 is a wasteful number, since it uses less digits than its factorization.

6365644896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6164 (or 6156 counting only the distinct ones).

The product of its digits is 22394880, while the sum is 57.

The square root of 6365644896 is about 79784.9916713664. The cubic root of 6365644896 is about 1853.3074407070.

The spelling of 6365644896 in words is "six billion, three hundred sixty-five million, six hundred forty-four thousand, eight hundred ninety-six".