197821832832 has 384 divisors, whose sum is σ = 634073469120. Its totient is φ = 58809139200.

The previous prime is 197821832801. The next prime is 197821832861. The reversal of 197821832832 is 238238128791.

197821832832 is a `hidden beast` number, since 1 + 9 + 78 + 218 + 328 + 32 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

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 47 ways as a sum of consecutive naturals, for example, 65698207 + ... + 65701217.

Almost surely, 2^197821832832 is an apocalyptic number.

197821832832 is a gapful number since it is divisible by the number (12) 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 197821832832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317036734560).

197821832832 is an abundant number, since it is smaller than the sum of its proper divisors (436251636288).

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

197821832832 is a wasteful number, since it uses less digits than its factorization.

197821832832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3192 (or 3177 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The spelling of 197821832832 in words is "one hundred ninety-seven billion, eight hundred twenty-one million, eight hundred thirty-two thousand, eight hundred thirty-two".