99611369 has 16 divisors (see below), whose sum is σ = 117458880. Its totient is φ = 83280960.

The previous prime is 99611333. The next prime is 99611383. The reversal of 99611369 is 96311699.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 99611369 - 2¹⁶ = 99545833 is a prime.

It is a super-2 number, since 2×99611369² = 19844849668108322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (99611389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42767 + ... + 45035.

It is an arithmetic number, because the mean of its divisors is an integer number (7341180).

Almost surely, 2^99611369 is an apocalyptic number.

It is an amenable number.

99611369 is a deficient number, since it is larger than the sum of its proper divisors (17847511).

99611369 is a wasteful number, since it uses less digits than its factorization.

99611369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2600.

The product of its digits is 78732, while the sum is 44.

The square root of 99611369 is about 9980.5495339686. The cubic root of 99611369 is about 463.5568143074.

The spelling of 99611369 in words is "ninety-nine million, six hundred eleven thousand, three hundred sixty-nine".