6648064602642 has 24 divisors (see below), whose sum is σ = 14415043990620. Its totient is φ = 2214343992960.

The previous prime is 6648064602533. The next prime is 6648064602659. The reversal of 6648064602642 is 2462064608466.

6648064602642 is a `hidden beast` number, since 6 + 6 + 480 + 64 + 60 + 2 + 6 + 42 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6373751587641 + 274313015001 = 2524629^2 + 523749^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139770667 + ... + 139818222.

Almost surely, 2^{6648064602642} is an apocalyptic number.

6648064602642 is an abundant number, since it is smaller than the sum of its proper divisors (7766979387978).

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

6648064602642 is a wasteful number, since it uses less digits than its factorization.

6648064602642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279590218 (or 279590215 counting only the distinct ones).

The product of its (nonzero) digits is 15925248, while the sum is 54.

The spelling of 6648064602642 in words is "six trillion, six hundred forty-eight billion, sixty-four million, six hundred two thousand, six hundred forty-two".