196328664 has 128 divisors (see below), whose sum is σ = 638668800. Its totient is φ = 54708480.

The previous prime is 196328663. The next prime is 196328677. The reversal of 196328664 is 466823691.

196328664 is a `hidden beast` number, since 1 + 9 + 632 + 8 + 6 + 6 + 4 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196328663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60409 + ... + 63575.

It is an arithmetic number, because the mean of its divisors is an integer number (4989600).

Almost surely, 2^196328664 is an apocalyptic number.

196328664 is a gapful number since it is divisible by the number (14) 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 196328664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319334400).

196328664 is an abundant number, since it is smaller than the sum of its proper divisors (442340136).

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

196328664 is a wasteful number, since it uses less digits than its factorization.

196328664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3230 (or 3220 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 196328664 is about 14011.7330833841. The cubic root of 196328664 is about 581.2030755043.

The spelling of 196328664 in words is "one hundred ninety-six million, three hundred twenty-eight thousand, six hundred sixty-four".