99164969 has 2 divisors, whose sum is σ = 99164970. Its totient is φ = 99164968.

The previous prime is 99164917. The next prime is 99164977. The reversal of 99164969 is 96946199.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98505625 + 659344 = 9925^2 + 812^2 .

It is a cyclic number.

It is not a de Polignac number, because 99164969 - 2⁸ = 99164713 is a prime.

It is a super-2 number, since 2×99164969² = 19667382153541922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 99164969.

It is not a weakly prime, because it can be changed into another prime (99164909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49582484 + 49582485.

It is an arithmetic number, because the mean of its divisors is an integer number (49582485).

Almost surely, 2^99164969 is an apocalyptic number.

It is an amenable number.

99164969 is a deficient number, since it is larger than the sum of its proper divisors (1).

99164969 is an equidigital number, since it uses as much as digits as its factorization.

99164969 is an odious number, because the sum of its binary digits is odd.

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

The square root of 99164969 is about 9958.1609245884. The cubic root of 99164969 is about 462.8633136502.

The spelling of 99164969 in words is "ninety-nine million, one hundred sixty-four thousand, nine hundred sixty-nine".