196788768 has 96 divisors (see below), whose sum is σ = 566237952. Its totient is φ = 59347200.

The previous prime is 196788749. The next prime is 196788773. The reversal of 196788768 is 867887691.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 349255 + ... + 349817.

It is an arithmetic number, because the mean of its divisors is an integer number (5898312).

Almost surely, 2^196788768 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 196788768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283118976).

196788768 is an abundant number, since it is smaller than the sum of its proper divisors (369449184).

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

196788768 is a wasteful number, since it uses less digits than its factorization.

196788768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918 (or 910 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 60.

The square root of 196788768 is about 14028.1420009921. The cubic root of 196788768 is about 581.6567454331.

It can be divided in two parts, 1 and 96788768, that added together give a palindrome (96788769).

The spelling of 196788768 in words is "one hundred ninety-six million, seven hundred eighty-eight thousand, seven hundred sixty-eight".