196445111328 has 336 divisors, whose sum is σ = 616062192480. Its totient is φ = 61420197888.

The previous prime is 196445111327. The next prime is 196445111333. The reversal of 196445111328 is 823111544691.

196445111328 is a `hidden beast` number, since 1 + 9 + 64 + 451 + 1 + 132 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (196445111327) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 150301651 + ... + 150302957.

It is an arithmetic number, because the mean of its divisors is an integer number (1833518430).

Almost surely, 2^196445111328 is an apocalyptic number.

196445111328 is a gapful number since it is divisible by the number (18) 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 196445111328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308031096240).

196445111328 is an abundant number, since it is smaller than the sum of its proper divisors (419617081152).

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

196445111328 is a wasteful number, since it uses less digits than its factorization.

196445111328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1731 (or 1708 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The spelling of 196445111328 in words is "one hundred ninety-six billion, four hundred forty-five million, one hundred eleven thousand, three hundred twenty-eight".