196636608 has 126 divisors (see below), whose sum is σ = 655737576. Its totient is φ = 56173824.

The previous prime is 196636577. The next prime is 196636613. The reversal of 196636608 is 806636691.

196636608 is a `hidden beast` number, since 1 + 9 + 6 + 6 + 36 + 608 = 666.

It is a tau number, because it is divible by the number of its divisors (126).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 24741 + ... + 31707.

Almost surely, 2^196636608 is an apocalyptic number.

196636608 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 196636608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (327868788).

196636608 is an abundant number, since it is smaller than the sum of its proper divisors (459100968).

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

196636608 is a wasteful number, since it uses less digits than its factorization.

196636608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6999 (or 6979 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 196636608 is about 14022.7175682890. The cubic root of 196636608 is about 581.5067915643.

It can be divided in two parts, 196 and 636608, that added together give a square (636804 = 798²).

The spelling of 196636608 in words is "one hundred ninety-six million, six hundred thirty-six thousand, six hundred eight".