998081695326 has 8 divisors (see below), whose sum is σ = 1996163390664. Its totient is φ = 332693898440.

The previous prime is 998081695267. The next prime is 998081695333. The reversal of 998081695326 is 623596180899.

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

998081695326 is an admirable number.

It is a congruent number.

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, 83173474605 + ... + 83173474616.

It is an arithmetic number, because the mean of its divisors is an integer number (249520423833).

Almost surely, 2^998081695326 is an apocalyptic number.

998081695326 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

998081695326 is a wasteful number, since it uses less digits than its factorization.

998081695326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166346949226.

The product of its (nonzero) digits is 50388480, while the sum is 66.

The spelling of 998081695326 in words is "nine hundred ninety-eight billion, eighty-one million, six hundred ninety-five thousand, three hundred twenty-six".