2661344101 has 16 divisors (see below), whose sum is σ = 3036616128. Its totient is φ = 2310624000.

The previous prime is 2661344039. The next prime is 2661344111. The reversal of 2661344101 is 1014431662.

2661344101 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 2661344101 - 2⁹ = 2661343589 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2661344101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2661344111) 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, 468126 + ... + 473776.

It is an arithmetic number, because the mean of its divisors is an integer number (189788508).

Almost surely, 2^2661344101 is an apocalyptic number.

It is an amenable number.

2661344101 is a deficient number, since it is larger than the sum of its proper divisors (375272027).

2661344101 is a wasteful number, since it uses less digits than its factorization.

2661344101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7812.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 2661344101 is about 51588.2166875344. The cubic root of 2661344101 is about 1385.7993189563.

Adding to 2661344101 its reverse (1014431662), we get a palindrome (3675775763).

The spelling of 2661344101 in words is "two billion, six hundred sixty-one million, three hundred forty-four thousand, one hundred one".