8233992161 has 2 divisors, whose sum is σ = 8233992162. Its totient is φ = 8233992160.

The previous prime is 8233992121. The next prime is 8233992163. The reversal of 8233992161 is 1612993328.

8233992161 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5916532561 + 2317459600 = 76919^2 + 48140^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8233992161 is a prime.

Together with 8233992163, 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 (8233992163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4116996080 + 4116996081.

It is an arithmetic number, because the mean of its divisors is an integer number (4116996081).

Almost surely, 2^8233992161 is an apocalyptic number.

It is an amenable number.

8233992161 is a deficient number, since it is larger than the sum of its proper divisors (1).

8233992161 is an equidigital number, since it uses as much as digits as its factorization.

8233992161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 44.

The square root of 8233992161 is about 90741.3475820147. The cubic root of 8233992161 is about 2019.3122647345.

The spelling of 8233992161 in words is "eight billion, two hundred thirty-three million, nine hundred ninety-two thousand, one hundred sixty-one".