2340260205661 has 16 divisors (see below), whose sum is σ = 2725115612544. Its totient is φ = 1968039837504.

The previous prime is 2340260205659. The next prime is 2340260205671. The reversal of 2340260205661 is 1665020620432.

It is a cyclic number.

It is not a de Polignac number, because 2340260205661 - 2¹ = 2340260205659 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2340260205661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2340260205671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28153386 + ... + 28236388.

It is an arithmetic number, because the mean of its divisors is an integer number (170319725784).

Almost surely, 2^{2340260205661} is an apocalyptic number.

It is an amenable number.

2340260205661 is a deficient number, since it is larger than the sum of its proper divisors (384855406883).

2340260205661 is an equidigital number, since it uses as much as digits as its factorization.

2340260205661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159060.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 2340260205661 in words is "two trillion, three hundred forty billion, two hundred sixty million, two hundred five thousand, six hundred sixty-one".