198837148548 has 12 divisors (see below), whose sum is σ = 463953346640. Its totient is φ = 66279049512.

The previous prime is 198837148547. The next prime is 198837148583. The reversal of 198837148548 is 845841738891.

198837148548 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (66) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (198837148547) 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 3 ways as a sum of consecutive naturals, for example, 8284881178 + ... + 8284881201.

Almost surely, 2^198837148548 is an apocalyptic number.

It is an amenable number.

198837148548 is an abundant number, since it is smaller than the sum of its proper divisors (265116198092).

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

198837148548 is a wasteful number, since it uses less digits than its factorization.

198837148548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16569762386 (or 16569762384 counting only the distinct ones).

The product of its digits is 61931520, while the sum is 66.

The spelling of 198837148548 in words is "one hundred ninety-eight billion, eight hundred thirty-seven million, one hundred forty-eight thousand, five hundred forty-eight".