3648326656 has 88 divisors (see below), whose sum is σ = 8003835504. Its totient is φ = 1651752960.

The previous prime is 3648326653. The next prime is 3648326663. The reversal of 3648326656 is 6566238463.

It is not an unprimeable number, because it can be changed into a prime (3648326653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 702951 + ... + 708121.

Almost surely, 2^3648326656 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 3648326656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4001917752).

3648326656 is an abundant number, since it is smaller than the sum of its proper divisors (4355508848).

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

3648326656 is a wasteful number, since it uses less digits than its factorization.

3648326656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5257 (or 5239 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 49.

The square root of 3648326656 is about 60401.3795868935. The cubic root of 3648326656 is about 1539.4463990920.

The spelling of 3648326656 in words is "three billion, six hundred forty-eight million, three hundred twenty-six thousand, six hundred fifty-six".