5206615680 has 128 divisors (see below), whose sum is σ = 18967006080. Its totient is φ = 1190080512.

The previous prime is 5206615669. The next prime is 5206615693. The reversal of 5206615680 is 865166025.

It is a tau number, because it is divible by the number of its divisors (128).

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, 180259 + ... + 207138.

It is an arithmetic number, because the mean of its divisors is an integer number (148179735).

Almost surely, 2^5206615680 is an apocalyptic number.

It is an amenable number.

5206615680 is an abundant number, since it is smaller than the sum of its proper divisors (13760390400).

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

5206615680 is a wasteful number, since it uses less digits than its factorization.

5206615680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387426 (or 387414 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 5206615680 is about 72156.8824160246. The cubic root of 5206615680 is about 1733.2126122367.

The spelling of 5206615680 in words is "five billion, two hundred six million, six hundred fifteen thousand, six hundred eighty".