196389168 has 160 divisors (see below), whose sum is σ = 578534400. Its totient is φ = 57028608.

The previous prime is 196389133. The next prime is 196389209. The reversal of 196389168 is 861983691.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 196389168.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 821593 + ... + 821831.

It is an arithmetic number, because the mean of its divisors is an integer number (3615840).

Almost surely, 2^196389168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 196389168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289267200).

196389168 is an abundant number, since it is smaller than the sum of its proper divisors (382145232).

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

196389168 is a wasteful number, since it uses less digits than its factorization.

196389168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339 (or 333 counting only the distinct ones).

The product of its digits is 559872, while the sum is 51.

The square root of 196389168 is about 14013.8919647613. The cubic root of 196389168 is about 581.2627738666.

The spelling of 196389168 in words is "one hundred ninety-six million, three hundred eighty-nine thousand, one hundred sixty-eight".