204832198648 has 144 divisors (see below), whose sum is σ = 491576299200. Its totient is φ = 79722720000.

The previous prime is 204832198643. The next prime is 204832198657. The reversal of 204832198648 is 846891238402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204832198643) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 68253148 + ... + 68256148.

It is an arithmetic number, because the mean of its divisors is an integer number (3413724300).

Almost surely, 2^204832198648 is an apocalyptic number.

204832198648 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204832198648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245788149600).

204832198648 is an abundant number, since it is smaller than the sum of its proper divisors (286744100552).

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

204832198648 is a wasteful number, since it uses less digits than its factorization.

204832198648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4482 (or 4460 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 55.

The spelling of 204832198648 in words is "two hundred four billion, eight hundred thirty-two million, one hundred ninety-eight thousand, six hundred forty-eight".