99964169 has 2 divisors, whose sum is σ = 99964170. Its totient is φ = 99964168.

The previous prime is 99964153. The next prime is 99964211. The reversal of 99964169 is 96146999.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72454144 + 27510025 = 8512^2 + 5245^2 .

It is a cyclic number.

It is not a de Polignac number, because 99964169 - 2⁴ = 99964153 is a prime.

It is a super-2 number, since 2×99964169² = 19985670167721122, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99964169.

It is not a weakly prime, because it can be changed into another prime (99964129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49982084 + 49982085.

It is an arithmetic number, because the mean of its divisors is an integer number (49982085).

Almost surely, 2^99964169 is an apocalyptic number.

It is an amenable number.

99964169 is a deficient number, since it is larger than the sum of its proper divisors (1).

99964169 is an equidigital number, since it uses as much as digits as its factorization.

99964169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 944784, while the sum is 53.

The square root of 99964169 is about 9998.2082894887. The cubic root of 99964169 is about 464.1034391488.

The spelling of 99964169 in words is "ninety-nine million, nine hundred sixty-four thousand, one hundred sixty-nine".