2661326063435 has 16 divisors (see below), whose sum is σ = 3588784847424. Its totient is φ = 1879839679872.

The previous prime is 2661326063413. The next prime is 2661326063449. The reversal of 2661326063435 is 5343606231662.

2661326063435 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 2661326063435 - 2¹² = 2661326059339 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 2661326063435.

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, 890074112 + ... + 890077101.

It is an arithmetic number, because the mean of its divisors is an integer number (224299052964).

Almost surely, 2^{2661326063435} is an apocalyptic number.

2661326063435 is a deficient number, since it is larger than the sum of its proper divisors (927458783989).

2661326063435 is a wasteful number, since it uses less digits than its factorization.

2661326063435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1780151254.

The product of its (nonzero) digits is 2799360, while the sum is 47.

The spelling of 2661326063435 in words is "two trillion, six hundred sixty-one billion, three hundred twenty-six million, sixty-three thousand, four hundred thirty-five".