3261163143 has 16 divisors (see below), whose sum is σ = 4983641600. Its totient is φ = 1858178016.

The previous prime is 3261163117. The next prime is 3261163153. The reversal of 3261163143 is 3413611623.

It is not a de Polignac number, because 3261163143 - 2⁵ = 3261163111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3261163143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3261163153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215155 + ... + 229812.

It is an arithmetic number, because the mean of its divisors is an integer number (311477600).

Almost surely, 2^3261163143 is an apocalyptic number.

3261163143 is a deficient number, since it is larger than the sum of its proper divisors (1722478457).

3261163143 is a wasteful number, since it uses less digits than its factorization.

3261163143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445326.

The product of its digits is 7776, while the sum is 30.

The square root of 3261163143 is about 57106.5945666523. The cubic root of 3261163143 is about 1482.9420329405.

Adding to 3261163143 its reverse (3413611623), we get a palindrome (6674774766).

The spelling of 3261163143 in words is "three billion, two hundred sixty-one million, one hundred sixty-three thousand, one hundred forty-three".