3081161600 has 384 divisors, whose sum is σ = 9288691200. Its totient is φ = 995328000.

The previous prime is 3081161597. The next prime is 3081161609. The reversal of 3081161600 is 61611803.

3081161600 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3081161600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3081161609) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11369465 + ... + 11369735.

It is an arithmetic number, because the mean of its divisors is an integer number (24189300).

Almost surely, 2^3081161600 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 3081161600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4644345600).

3081161600 is an abundant number, since it is smaller than the sum of its proper divisors (6207529600).

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

3081161600 is a wasteful number, since it uses less digits than its factorization.

3081161600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 325 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 3081161600 is about 55508.2120050718. The cubic root of 3081161600 is about 1455.1401556828.

The spelling of 3081161600 in words is "three billion, eighty-one million, one hundred sixty-one thousand, six hundred".