83167716281 has 8 divisors (see below), whose sum is σ = 89659228680. Its totient is φ = 76689631872.

The previous prime is 83167716271. The next prime is 83167716283. The reversal of 83167716281 is 18261776138.

It can be written as a sum of positive squares in 4 ways, for example, as 4510465600 + 78657250681 = 67160^2 + 280459^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83167716281 is a prime.

It is a super-2 number, since 2×83167716281² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83167716283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3344126 + ... + 3368903.

It is an arithmetic number, because the mean of its divisors is an integer number (11207403585).

Almost surely, 2^83167716281 is an apocalyptic number.

It is an amenable number.

83167716281 is a deficient number, since it is larger than the sum of its proper divisors (6491512399).

83167716281 is a wasteful number, since it uses less digits than its factorization.

83167716281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6713995.

The product of its digits is 677376, while the sum is 50.

The spelling of 83167716281 in words is "eighty-three billion, one hundred sixty-seven million, seven hundred sixteen thousand, two hundred eighty-one".