83168886138 has 32 divisors (see below), whose sum is σ = 183502089792. Its totient is φ = 24966268800.

The previous prime is 83168886137. The next prime is 83168886187.

83168886138 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (83168886131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13000068 + ... + 13006463.

It is an arithmetic number, because the mean of its divisors is an integer number (5734440306).

Almost surely, 2^83168886138 is an apocalyptic number.

83168886138 is an abundant number, since it is smaller than the sum of its proper divisors (100333203654).

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

83168886138 is a wasteful number, since it uses less digits than its factorization.

83168886138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26006590.

The product of its digits is 10616832, while the sum is 60.

The spelling of 83168886138 in words is "eighty-three billion, one hundred sixty-eight million, eight hundred eighty-six thousand, one hundred thirty-eight".