83100161 has 2 divisors, whose sum is σ = 83100162. Its totient is φ = 83100160.

The previous prime is 83100151. The next prime is 83100163. The reversal of 83100161 is 16100138.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81360400 + 1739761 = 9020^2 + 1319^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83100161 is a prime.

Together with 83100163, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (83100163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41550080 + 41550081.

It is an arithmetic number, because the mean of its divisors is an integer number (41550081).

Almost surely, 2^83100161 is an apocalyptic number.

It is an amenable number.

83100161 is a deficient number, since it is larger than the sum of its proper divisors (1).

83100161 is an equidigital number, since it uses as much as digits as its factorization.

83100161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 83100161 is about 9115.9289707632. The cubic root of 83100161 is about 436.3824622178.

Adding to 83100161 its reverse (16100138), we get a palindrome (99200299).

The spelling of 83100161 in words is "eighty-three million, one hundred thousand, one hundred sixty-one".