83811462368518 has 16 divisors (see below), whose sum is σ = 126567167569920. Its totient is φ = 41623072376200.

The previous prime is 83811462368453. The next prime is 83811462368561. The reversal of 83811462368518 is 81586326411838.

It is a super-2 number, since 2×83811462368518² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 83811462368518.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166213918 + ... + 166717393.

It is an arithmetic number, because the mean of its divisors is an integer number (7910447973120).

Almost surely, 2^{83811462368518} is an apocalyptic number.

83811462368518 is a deficient number, since it is larger than the sum of its proper divisors (42755705201402).

83811462368518 is a wasteful number, since it uses less digits than its factorization.

83811462368518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332932163.

The product of its digits is 53084160, while the sum is 64.

The spelling of 83811462368518 in words is "eighty-three trillion, eight hundred eleven billion, four hundred sixty-two million, three hundred sixty-eight thousand, five hundred eighteen".