7538507718216 has 16 divisors (see below), whose sum is σ = 18846269295600. Its totient is φ = 2512835906064.

The previous prime is 7538507718169. The next prime is 7538507718239. The reversal of 7538507718216 is 6128177058357.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 7538507718216.

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, 157052244106 + ... + 157052244153.

It is an arithmetic number, because the mean of its divisors is an integer number (1177891830975).

Almost surely, 2^{7538507718216} is an apocalyptic number.

It is an amenable number.

7538507718216 is an abundant number, since it is smaller than the sum of its proper divisors (11307761577384).

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

7538507718216 is a wasteful number, since it uses less digits than its factorization.

7538507718216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314104488268 (or 314104488264 counting only the distinct ones).

The product of its (nonzero) digits is 19756800, while the sum is 60.

The spelling of 7538507718216 in words is "seven trillion, five hundred thirty-eight billion, five hundred seven million, seven hundred eighteen thousand, two hundred sixteen".