6545663570552 has 16 divisors (see below), whose sum is σ = 12274968491160. Its totient is φ = 3272338639584.

The previous prime is 6545663570543. The next prime is 6545663570569. The reversal of 6545663570552 is 2550753665456.

It is a junction number, because it is equal to n+sod(n) for n = 6545663570491 and 6545663570500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61586798 + ... + 61692989.

Almost surely, 2^{6545663570552} is an apocalyptic number.

It is an amenable number.

6545663570552 is a deficient number, since it is larger than the sum of its proper divisors (5729304920608).

6545663570552 is a wasteful number, since it uses less digits than its factorization.

6545663570552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123286430 (or 123286426 counting only the distinct ones).

The product of its (nonzero) digits is 113400000, while the sum is 59.

The spelling of 6545663570552 in words is "six trillion, five hundred forty-five billion, six hundred sixty-three million, five hundred seventy thousand, five hundred fifty-two".