3162381920 has 144 divisors (see below), whose sum is σ = 7828383024. Its totient is φ = 1207065600.

The previous prime is 3162381919. The next prime is 3162381967. The reversal of 3162381920 is 291832613.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 20142482 + ... + 20142638.

It is an arithmetic number, because the mean of its divisors is an integer number (54363771).

Almost surely, 2^3162381920 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 3162381920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3914191512).

3162381920 is an abundant number, since it is smaller than the sum of its proper divisors (4666001104).

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

3162381920 is a wasteful number, since it uses less digits than its factorization.

3162381920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365 (or 326 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 3162381920 is about 56235.0595269535. The cubic root of 3162381920 is about 1467.8153984871.

The spelling of 3162381920 in words is "three billion, one hundred sixty-two million, three hundred eighty-one thousand, nine hundred twenty".