83811016959193 has 32 divisors (see below), whose sum is σ = 93567256842240. Its totient is φ = 74604875120640.

The previous prime is 83811016959169. The next prime is 83811016959233. The reversal of 83811016959193 is 39195961011838.

It is a de Polignac number, because none of the positive numbers 2^k-83811016959193 is a prime.

It is a super-3 number, since 3×83811016959193³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83811016959143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2941445655 + ... + 2941474147.

It is an arithmetic number, because the mean of its divisors is an integer number (2923976776320).

Almost surely, 2^{83811016959193} is an apocalyptic number.

It is an amenable number.

83811016959193 is a deficient number, since it is larger than the sum of its proper divisors (9756239883047).

83811016959193 is a wasteful number, since it uses less digits than its factorization.

83811016959193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43377.

The product of its (nonzero) digits is 12597120, while the sum is 64.

The spelling of 83811016959193 in words is "eighty-three trillion, eight hundred eleven billion, sixteen million, nine hundred fifty-nine thousand, one hundred ninety-three".