99166069 has 2 divisors, whose sum is σ = 99166070. Its totient is φ = 99166068.

The previous prime is 99166037. The next prime is 99166147. The reversal of 99166069 is 96066199.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92891044 + 6275025 = 9638^2 + 2505^2 .

It is an emirp because it is prime and its reverse (96066199) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99166069 - 2⁵ = 99166037 is a prime.

It is a super-2 number, since 2×99166069² = 19667818481825522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99166009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49583034 + 49583035.

It is an arithmetic number, because the mean of its divisors is an integer number (49583035).

Almost surely, 2^99166069 is an apocalyptic number.

It is an amenable number.

99166069 is a deficient number, since it is larger than the sum of its proper divisors (1).

99166069 is an equidigital number, since it uses as much as digits as its factorization.

99166069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 157464, while the sum is 46.

The square root of 99166069 is about 9958.2161555170. The cubic root of 99166069 is about 462.8650251006.

The spelling of 99166069 in words is "ninety-nine million, one hundred sixty-six thousand, sixty-nine".