3161610144 has 720 divisors, whose sum is σ = 12347064576. Its totient is φ = 783820800.

The previous prime is 3161610091. The next prime is 3161610149. The reversal of 3161610144 is 4410161613.

3161610144 is a `hidden beast` number, since 3 + 1 + 6 + 1 + 610 + 1 + 44 = 666.

3161610144 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (3161610149) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 43309692 + ... + 43309764.

Almost surely, 2^3161610144 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 3161610144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6173532288).

3161610144 is an abundant number, since it is smaller than the sum of its proper divisors (9185454432).

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

3161610144 is a wasteful number, since it uses less digits than its factorization.

3161610144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 3161610144 is about 56228.1970545028. The cubic root of 3161610144 is about 1467.6959825012.

Adding to 3161610144 its reverse (4410161613), we get a palindrome (7571771757).

The spelling of 3161610144 in words is "three billion, one hundred sixty-one million, six hundred ten thousand, one hundred forty-four".