99218417258 has 8 divisors (see below), whose sum is σ = 148961829060. Its totient is φ = 49564474240.

The previous prime is 99218417227. The next prime is 99218417303. The reversal of 99218417258 is 85271481299.

99218417258 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 59857047649 + 39361369609 = 244657^2 + 198397^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 22364423 + ... + 22368858.

Almost surely, 2^99218417258 is an apocalyptic number.

99218417258 is a deficient number, since it is larger than the sum of its proper divisors (49743411802).

99218417258 is a wasteful number, since it uses less digits than its factorization.

99218417258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44734392.

The product of its digits is 2903040, while the sum is 56.

The spelling of 99218417258 in words is "ninety-nine billion, two hundred eighteen million, four hundred seventeen thousand, two hundred fifty-eight".