2331661133274 has 128 divisors (see below), whose sum is σ = 5275329776640. Its totient is φ = 680927385600.

The previous prime is 2331661133261. The next prime is 2331661133297. The reversal of 2331661133274 is 4723311661332.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 91106872 + ... + 91132460.

It is an arithmetic number, because the mean of its divisors is an integer number (41213513880).

Almost surely, 2^{2331661133274} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2331661133274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2637664888320).

2331661133274 is an abundant number, since it is smaller than the sum of its proper divisors (2943668643366).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2331661133274 is a wasteful number, since it uses less digits than its factorization.

2331661133274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26076.

The product of its digits is 326592, while the sum is 42.

The spelling of 2331661133274 in words is "two trillion, three hundred thirty-one billion, six hundred sixty-one million, one hundred thirty-three thousand, two hundred seventy-four".