6648633348 has 96 divisors (see below), whose sum is σ = 18158321664. Its totient is φ = 1853916288.

The previous prime is 6648633323. The next prime is 6648633367. The reversal of 6648633348 is 8433368466.

It is a super-2 number, since 2×6648633348² = 88408650792275378208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6648633348.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1509886 + ... + 1514282.

It is an arithmetic number, because the mean of its divisors is an integer number (189149184).

Almost surely, 2^6648633348 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 6648633348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9079160832).

6648633348 is an abundant number, since it is smaller than the sum of its proper divisors (11509688316).

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

6648633348 is a wasteful number, since it uses less digits than its factorization.

6648633348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4841 (or 4839 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 51.

The square root of 6648633348 is about 81539.1522398903. The cubic root of 6648633348 is about 1880.3735250726.

The spelling of 6648633348 in words is "six billion, six hundred forty-eight million, six hundred thirty-three thousand, three hundred forty-eight".