99418169 has 2 divisors, whose sum is σ = 99418170. Its totient is φ = 99418168.

The previous prime is 99418157. The next prime is 99418181. The reversal of 99418169 is 96181499.

It is a balanced prime because it is at equal distance from previous prime (99418157) and next prime (99418181).

It can be written as a sum of positive squares in only one way, i.e., 91910569 + 7507600 = 9587^2 + 2740^2 .

It is a cyclic number.

It is not a de Polignac number, because 99418169 - 2¹⁶ = 99352633 is a prime.

It is a super-2 number, since 2×99418169² = 19767944654625122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (99418129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49709084 + 49709085.

It is an arithmetic number, because the mean of its divisors is an integer number (49709085).

Almost surely, 2^99418169 is an apocalyptic number.

It is an amenable number.

99418169 is a deficient number, since it is larger than the sum of its proper divisors (1).

99418169 is an equidigital number, since it uses as much as digits as its factorization.

99418169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 47.

The square root of 99418169 is about 9970.8660105329. The cubic root of 99418169 is about 463.2569250443.

The spelling of 99418169 in words is "ninety-nine million, four hundred eighteen thousand, one hundred sixty-nine".