5217601645680 has 40 divisors (see below), whose sum is σ = 16174565102352. Its totient is φ = 1391360438784.

The previous prime is 5217601645631. The next prime is 5217601645681. The reversal of 5217601645680 is 865461067125.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5217601645681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10870003189 + ... + 10870003668.

Almost surely, 2^{5217601645680} is an apocalyptic number.

It is an amenable number.

5217601645680 is an abundant number, since it is smaller than the sum of its proper divisors (10956963456672).

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

5217601645680 is a wasteful number, since it uses less digits than its factorization.

5217601645680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21740006873 (or 21740006867 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 51.

The spelling of 5217601645680 in words is "five trillion, two hundred seventeen billion, six hundred one million, six hundred forty-five thousand, six hundred eighty".