1998875338152 has 96 divisors (see below), whose sum is σ = 6341515492320. Its totient is φ = 519188396160.

The previous prime is 1998875338139. The next prime is 1998875338231. The reversal of 1998875338152 is 2518335788991.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77247243 + ... + 77273114.

It is an arithmetic number, because the mean of its divisors is an integer number (66057453045).

Almost surely, 2^{1998875338152} is an apocalyptic number.

1998875338152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1998875338152 is an abundant number, since it is smaller than the sum of its proper divisors (4342640154168).

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

1998875338152 is a wasteful number, since it uses less digits than its factorization.

1998875338152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154520391 (or 154520380 counting only the distinct ones).

The product of its digits is 130636800, while the sum is 69.

The spelling of 1998875338152 in words is "one trillion, nine hundred ninety-eight billion, eight hundred seventy-five million, three hundred thirty-eight thousand, one hundred fifty-two".