6648481415 has 16 divisors (see below), whose sum is σ = 8027836128. Its totient is φ = 5285769216.

The previous prime is 6648481409. The next prime is 6648481429. The reversal of 6648481415 is 5141848466.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6648481415 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6648481415.

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, 632039 + ... + 642471.

It is an arithmetic number, because the mean of its divisors is an integer number (501739758).

Almost surely, 2^6648481415 is an apocalyptic number.

6648481415 is a deficient number, since it is larger than the sum of its proper divisors (1379354713).

6648481415 is a wasteful number, since it uses less digits than its factorization.

6648481415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11218.

The product of its digits is 737280, while the sum is 47.

The square root of 6648481415 is about 81538.2205778370. The cubic root of 6648481415 is about 1880.3592016795.

The spelling of 6648481415 in words is "six billion, six hundred forty-eight million, four hundred eighty-one thousand, four hundred fifteen".