3144161520 has 120 divisors (see below), whose sum is σ = 10661909856. Its totient is φ = 830283264.

The previous prime is 3144161497. The next prime is 3144161521. The reversal of 3144161520 is 251614413.

It is a happy number.

3144161520 is a `hidden beast` number, since 3 + 1 + 4 + 41 + 615 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3144161521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52962 + ... + 95358.

Almost surely, 2^3144161520 is an apocalyptic number.

3144161520 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 3144161520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5330954928).

3144161520 is an abundant number, since it is smaller than the sum of its proper divisors (7517748336).

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

3144161520 is a wasteful number, since it uses less digits than its factorization.

3144161520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42519 (or 42510 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 3144161520 is about 56072.8233639078. The cubic root of 3144161520 is about 1464.9909755722.

Adding to 3144161520 its reverse (251614413), we get a palindrome (3395775933).

The spelling of 3144161520 in words is "three billion, one hundred forty-four million, one hundred sixty-one thousand, five hundred twenty".