2331661133146 has 8 divisors (see below), whose sum is σ = 3497519282400. Its totient is φ = 1165821372348.

The previous prime is 2331661133089. The next prime is 2331661133149. The reversal of 2331661133146 is 6413311661332.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2331661133099 and 2331661133108.

It is not an unprimeable number, because it can be changed into a prime (2331661133149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4275616 + ... + 4790011.

It is an arithmetic number, because the mean of its divisors is an integer number (437189910300).

Almost surely, 2^{2331661133146} is an apocalyptic number.

2331661133146 is a deficient number, since it is larger than the sum of its proper divisors (1165858149254).

2331661133146 is a wasteful number, since it uses less digits than its factorization.

2331661133146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9194228.

The product of its digits is 139968, while the sum is 40.

Adding to 2331661133146 its reverse (6413311661332), we get a palindrome (8744972794478).

The spelling of 2331661133146 in words is "two trillion, three hundred thirty-one billion, six hundred sixty-one million, one hundred thirty-three thousand, one hundred forty-six".