2161641624233 has 16 divisors (see below), whose sum is σ = 2664377364096. Its totient is φ = 1707805693440.

The previous prime is 2161641624217. The next prime is 2161641624239. The reversal of 2161641624233 is 3324261461612.

It is not a de Polignac number, because 2161641624233 - 2⁴ = 2161641624217 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2161641624239) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 17327528 + ... + 17451833.

It is an arithmetic number, because the mean of its divisors is an integer number (166523585256).

Almost surely, 2^{2161641624233} is an apocalyptic number.

It is an amenable number.

2161641624233 is a deficient number, since it is larger than the sum of its proper divisors (502735739863).

2161641624233 is a wasteful number, since it uses less digits than its factorization.

2161641624233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34780064.

The product of its digits is 248832, while the sum is 41.

The spelling of 2161641624233 in words is "two trillion, one hundred sixty-one billion, six hundred forty-one million, six hundred twenty-four thousand, two hundred thirty-three".