196191968 has 48 divisors (see below), whose sum is σ = 467407584. Its totient is φ = 79134720.

The previous prime is 196191949. The next prime is 196191971. The reversal of 196191968 is 869191691.

196191968 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21953 + ... + 29568.

It is an arithmetic number, because the mean of its divisors is an integer number (9737658).

Almost surely, 2^196191968 is an apocalyptic number.

It is an amenable number.

196191968 is an abundant number, since it is smaller than the sum of its proper divisors (271215616).

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

196191968 is a wasteful number, since it uses less digits than its factorization.

196191968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51555 (or 51547 counting only the distinct ones).

The product of its digits is 209952, while the sum is 50.

The square root of 196191968 is about 14006.8543220810. The cubic root of 196191968 is about 581.0681544999.

The spelling of 196191968 in words is "one hundred ninety-six million, one hundred ninety-one thousand, nine hundred sixty-eight".