196297668 has 120 divisors (see below), whose sum is σ = 601058304. Its totient is φ = 54691200.

The previous prime is 196297649. The next prime is 196297679. The reversal of 196297668 is 866792691.

196297668 is a `hidden beast` number, since 1 + 9 + 629 + 7 + 6 + 6 + 8 = 666.

196297668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 91933 + ... + 94043.

Almost surely, 2^196297668 is an apocalyptic number.

196297668 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 196297668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300529152).

196297668 is an abundant number, since it is smaller than the sum of its proper divisors (404760636).

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

196297668 is a wasteful number, since it uses less digits than its factorization.

196297668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2175 (or 2164 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 196297668 is about 14010.6269666992. The cubic root of 196297668 is about 581.1724874786.

The spelling of 196297668 in words is "one hundred ninety-six million, two hundred ninety-seven thousand, six hundred sixty-eight".