83160406138 has 4 divisors (see below), whose sum is σ = 124740609210. Its totient is φ = 41580203068.

The previous prime is 83160406123. The next prime is 83160406141.

It is a happy number.

83160406138 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 56184643089 + 26975763049 = 237033^2 + 164243^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 83160406138.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20790101533 + ... + 20790101536.

Almost surely, 2^83160406138 is an apocalyptic number.

83160406138 is a deficient number, since it is larger than the sum of its proper divisors (41580203072).

83160406138 is a wasteful number, since it uses less digits than its factorization.

83160406138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41580203071.

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 83160406138 in words is "eighty-three billion, one hundred sixty million, four hundred six thousand, one hundred thirty-eight".