3191604768 has 144 divisors (see below), whose sum is σ = 10268215776. Its totient is φ = 967127040.

The previous prime is 3191604751. The next prime is 3191604797. The reversal of 3191604768 is 8674061913.

It is a happy number.

3191604768 is a `hidden beast` number, since 3 + 19 + 160 + 476 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66880 + ... + 104192.

It is an arithmetic number, because the mean of its divisors is an integer number (71307054).

Almost surely, 2^3191604768 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 3191604768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5134107888).

3191604768 is an abundant number, since it is smaller than the sum of its proper divisors (7076611008).

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

3191604768 is a wasteful number, since it uses less digits than its factorization.

3191604768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37349 (or 37329 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 3191604768 is about 56494.2896937381. The cubic root of 3191604768 is about 1472.3227917263.

The spelling of 3191604768 in words is "three billion, one hundred ninety-one million, six hundred four thousand, seven hundred sixty-eight".