2661335035323 has 32 divisors (see below), whose sum is σ = 3820154088960. Its totient is φ = 1642858214400.

The previous prime is 2661335035273. The next prime is 2661335035391. The reversal of 2661335035323 is 3235305331662.

It is a happy number.

It is not a de Polignac number, because 2661335035323 - 2¹⁷ = 2661334904251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2661335035123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 880278 + ... + 2469323.

It is an arithmetic number, because the mean of its divisors is an integer number (119379815280).

Almost surely, 2^{2661335035323} is an apocalyptic number.

2661335035323 is a deficient number, since it is larger than the sum of its proper divisors (1158819053637).

2661335035323 is a wasteful number, since it uses less digits than its factorization.

2661335035323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3349939.

The product of its (nonzero) digits is 874800, while the sum is 42.

The spelling of 2661335035323 in words is "two trillion, six hundred sixty-one billion, three hundred thirty-five million, thirty-five thousand, three hundred twenty-three".