99434161 has 2 divisors, whose sum is σ = 99434162. Its totient is φ = 99434160.

The previous prime is 99434141. The next prime is 99434171. The reversal of 99434161 is 16143499.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62710561 + 36723600 = 7919^2 + 6060^2 .

It is a cyclic number.

It is not a de Polignac number, because 99434161 - 2¹⁷ = 99303089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99434161.

It is not a weakly prime, because it can be changed into another prime (99434141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49717080 + 49717081.

It is an arithmetic number, because the mean of its divisors is an integer number (49717081).

Almost surely, 2^99434161 is an apocalyptic number.

It is an amenable number.

99434161 is a deficient number, since it is larger than the sum of its proper divisors (1).

99434161 is an equidigital number, since it uses as much as digits as its factorization.

99434161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 37.

The square root of 99434161 is about 9971.6679146470. The cubic root of 99434161 is about 463.2817629173.

The spelling of 99434161 in words is "ninety-nine million, four hundred thirty-four thousand, one hundred sixty-one".