2661532266303 has 12 divisors (see below), whose sum is σ = 3844470645288. Its totient is φ = 1774338621360.

The previous prime is 2661532266287. The next prime is 2661532266311. The reversal of 2661532266303 is 3036622351662.

2661532266303 is a `hidden beast` number, since 2 + 6 + 6 + 1 + 5 + 3 + 2 + 2 + 6 + 630 + 3 = 666.

2661532266303 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2661532266303 - 2⁴ = 2661532266287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2661532266353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 267033 + ... + 2322578.

It is an arithmetic number, because the mean of its divisors is an integer number (320372553774).

Almost surely, 2^{2661532266303} is an apocalyptic number.

2661532266303 is a deficient number, since it is larger than the sum of its proper divisors (1182938378985).

2661532266303 is a wasteful number, since it uses less digits than its factorization.

2661532266303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2703814 (or 2703811 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 45.

The spelling of 2661532266303 in words is "two trillion, six hundred sixty-one billion, five hundred thirty-two million, two hundred sixty-six thousand, three hundred three".