83520036865716 has 192 divisors, whose sum is σ = 218622768021504. Its totient is φ = 24593466240000.

The previous prime is 83520036865627. The next prime is 83520036865747. The reversal of 83520036865716 is 61756863002538.

It is a self number, because there is not a number n which added to its sum of digits gives 83520036865716.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17579462341 + ... + 17579467091.

It is an arithmetic number, because the mean of its divisors is an integer number (1138660250112).

Almost surely, 2^{83520036865716} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83520036865716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109311384010752).

83520036865716 is an abundant number, since it is smaller than the sum of its proper divisors (135102731155788).

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

83520036865716 is a wasteful number, since it uses less digits than its factorization.

83520036865716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8670 (or 8668 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 60.

The spelling of 83520036865716 in words is "eighty-three trillion, five hundred twenty billion, thirty-six million, eight hundred sixty-five thousand, seven hundred sixteen".