5636515968 has 192 divisors, whose sum is σ = 16645012800. Its totient is φ = 1830242304.

The previous prime is 5636515957. The next prime is 5636515987. The reversal of 5636515968 is 8695156365.

It is a happy number.

5636515968 is a `hidden beast` number, since 5 + 6 + 36 + 515 + 96 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7949598 + ... + 7950306.

It is an arithmetic number, because the mean of its divisors is an integer number (86692775).

Almost surely, 2^5636515968 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 5636515968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8322506400).

5636515968 is an abundant number, since it is smaller than the sum of its proper divisors (11008496832).

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

5636515968 is a wasteful number, since it uses less digits than its factorization.

5636515968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899 (or 884 counting only the distinct ones).

The product of its digits is 5832000, while the sum is 54.

The square root of 5636515968 is about 75076.7338660920. The cubic root of 5636515968 is about 1779.6594862674.

The spelling of 5636515968 in words is "five billion, six hundred thirty-six million, five hundred fifteen thousand, nine hundred sixty-eight".