2164241561154 has 16 divisors (see below), whose sum is σ = 4328566089120. Its totient is φ = 721400025920.

The previous prime is 2164241561149. The next prime is 2164241561173. The reversal of 2164241561154 is 4511651424612.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3115239 + ... + 3746090.

It is an arithmetic number, because the mean of its divisors is an integer number (270535380570).

Almost surely, 2^{2164241561154} is an apocalyptic number.

2164241561154 is an abundant number, since it is smaller than the sum of its proper divisors (2164324527966).

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

2164241561154 is a wasteful number, since it uses less digits than its factorization.

2164241561154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6913905.

The product of its digits is 230400, while the sum is 42.

Adding to 2164241561154 its reverse (4511651424612), we get a palindrome (6675892985766).

The spelling of 2164241561154 in words is "two trillion, one hundred sixty-four billion, two hundred forty-one million, five hundred sixty-one thousand, one hundred fifty-four".