3160321920 has 384 divisors, whose sum is σ = 12938365440. Its totient is φ = 722110464.

The previous prime is 3160321907. The next prime is 3160321993. The reversal of 3160321920 is 291230613.

3160321920 is a `hidden beast` number, since 31 + 603 + 2 + 1 + 9 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (27).

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 47 ways as a sum of consecutive naturals, for example, 1087189 + ... + 1090091.

It is an arithmetic number, because the mean of its divisors is an integer number (33693660).

Almost surely, 2^3160321920 is an apocalyptic number.

3160321920 is a gapful number since it is divisible by the number (30) 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 3160321920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6469182720).

3160321920 is an abundant number, since it is smaller than the sum of its proper divisors (9778043520).

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

3160321920 is an equidigital number, since it uses as much as digits as its factorization.

3160321920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2944 (or 2920 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 3160321920 is about 56216.7405672012. The cubic root of 3160321920 is about 1467.4966138296.

The spelling of 3160321920 in words is "three billion, one hundred sixty million, three hundred twenty-one thousand, nine hundred twenty".