2661344135 has 16 divisors (see below), whose sum is σ = 3383208000. Its totient is φ = 2002807296.

The previous prime is 2661344129. The next prime is 2661344143. The reversal of 2661344135 is 5314431662.

2661344135 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2661344135 - 2³⁰ = 1587602311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2661344095 and 2661344104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185966 + ... + 199764.

It is an arithmetic number, because the mean of its divisors is an integer number (211450500).

Almost surely, 2^2661344135 is an apocalyptic number.

2661344135 is a deficient number, since it is larger than the sum of its proper divisors (721863865).

2661344135 is a wasteful number, since it uses less digits than its factorization.

2661344135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16090.

The product of its digits is 51840, while the sum is 35.

The square root of 2661344135 is about 51588.2170170670. The cubic root of 2661344135 is about 1385.7993248577.

Adding to 2661344135 its reverse (5314431662), we get a palindrome (7975775797).

The spelling of 2661344135 in words is "two billion, six hundred sixty-one million, three hundred forty-four thousand, one hundred thirty-five".