2163444501102 has 64 divisors (see below), whose sum is σ = 4652137497600. Its totient is φ = 668569196160.

The previous prime is 2163444501079. The next prime is 2163444501107. The reversal of 2163444501102 is 2011054443612.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2163444501107) 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, 49384224 + ... + 49428012.

It is an arithmetic number, because the mean of its divisors is an integer number (72689648400).

Almost surely, 2^{2163444501102} is an apocalyptic number.

2163444501102 is an abundant number, since it is smaller than the sum of its proper divisors (2488692996498).

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

2163444501102 is a wasteful number, since it uses less digits than its factorization.

2163444501102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53081.

The product of its (nonzero) digits is 23040, while the sum is 33.

Adding to 2163444501102 its reverse (2011054443612), we get a palindrome (4174498944714).

The spelling of 2163444501102 in words is "two trillion, one hundred sixty-three billion, four hundred forty-four million, five hundred one thousand, one hundred two".