8073372161 has 2 divisors, whose sum is σ = 8073372162. Its totient is φ = 8073372160.

The previous prime is 8073372121. The next prime is 8073372169. The reversal of 8073372161 is 1612733708.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8069608561 + 3763600 = 89831^2 + 1940^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8073372161 is a prime.

It is not a weakly prime, because it can be changed into another prime (8073372169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4036686080 + 4036686081.

It is an arithmetic number, because the mean of its divisors is an integer number (4036686081).

Almost surely, 2^8073372161 is an apocalyptic number.

It is an amenable number.

8073372161 is a deficient number, since it is larger than the sum of its proper divisors (1).

8073372161 is an equidigital number, since it uses as much as digits as its factorization.

8073372161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 8073372161 is about 89851.9457830491. The cubic root of 8073372161 is about 2006.0957487977.

The spelling of 8073372161 in words is "eight billion, seventy-three million, three hundred seventy-two thousand, one hundred sixty-one".