6995236640 has 96 divisors (see below), whose sum is σ = 18912579840. Its totient is φ = 2395137024.

The previous prime is 6995236559. The next prime is 6995236649. The reversal of 6995236640 is 466325996.

It is not an unprimeable number, because it can be changed into a prime (6995236649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 917966 + ... + 925554.

It is an arithmetic number, because the mean of its divisors is an integer number (197006040).

Almost surely, 2^6995236640 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 6995236640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9456289920).

6995236640 is an abundant number, since it is smaller than the sum of its proper divisors (11917343200).

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

6995236640 is a wasteful number, since it uses less digits than its factorization.

6995236640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8434 (or 8426 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 50.

The square root of 6995236640 is about 83637.5312882919. The cubic root of 6995236640 is about 1912.4971805105.

The spelling of 6995236640 in words is "six billion, nine hundred ninety-five million, two hundred thirty-six thousand, six hundred forty".