168404195232 has 1152 divisors, whose sum is σ = 643203832320. Its totient is φ = 41923215360.

The previous prime is 168404195203. The next prime is 168404195237. The reversal of 168404195232 is 232591404861.

168404195232 is a `hidden beast` number, since 1 + 6 + 8 + 404 + 1 + 9 + 5 + 232 = 666.

It is not an unprimeable number, because it can be changed into a prime (168404195237) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2306906748 + ... + 2306906820.

It is an arithmetic number, because the mean of its divisors is an integer number (558336660).

Almost surely, 2^168404195232 is an apocalyptic number.

168404195232 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 168404195232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321601916160).

168404195232 is an abundant number, since it is smaller than the sum of its proper divisors (474799637088).

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

168404195232 is a wasteful number, since it uses less digits than its factorization.

168404195232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 168404195232 in words is "one hundred sixty-eight billion, four hundred four million, one hundred ninety-five thousand, two hundred thirty-two".