99698367648 has 48 divisors (see below), whose sum is σ = 285499874016. Its totient is φ = 30211626240.

The previous prime is 99698367647. The next prime is 99698367707. The reversal of 99698367648 is 84676389699.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 99698367648.

It is not an unprimeable number, because it can be changed into a prime (99698367647) 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 7 ways as a sum of consecutive naturals, for example, 47204611 + ... + 47206722.

It is an arithmetic number, because the mean of its divisors is an integer number (5947914042).

Almost surely, 2^99698367648 is an apocalyptic number.

It is an amenable number.

99698367648 is an abundant number, since it is smaller than the sum of its proper divisors (185801506368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99698367648 is a wasteful number, since it uses less digits than its factorization.

99698367648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94411357 (or 94411349 counting only the distinct ones).

The product of its digits is 846526464, while the sum is 75.

The spelling of 99698367648 in words is "ninety-nine billion, six hundred ninety-eight million, three hundred sixty-seven thousand, six hundred forty-eight".