6553507102644 has 24 divisors (see below), whose sum is σ = 15784791301888. Its totient is φ = 2114034549120.

The previous prime is 6553507102619. The next prime is 6553507102693. The reversal of 6553507102644 is 4462017053556.

It is a junction number, because it is equal to n+sod(n) for n = 6553507102593 and 6553507102602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8808476917 + ... + 8808477660.

Almost surely, 2^{6553507102644} is an apocalyptic number.

It is an amenable number.

6553507102644 is an abundant number, since it is smaller than the sum of its proper divisors (9231284199244).

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

6553507102644 is a wasteful number, since it uses less digits than its factorization.

6553507102644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17616954615 (or 17616954613 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 48.

The spelling of 6553507102644 in words is "six trillion, five hundred fifty-three billion, five hundred seven million, one hundred two thousand, six hundred forty-four".