2168817527338 has 32 divisors (see below), whose sum is σ = 4107311861760. Its totient is φ = 834297712560.

The previous prime is 2168817527243. The next prime is 2168817527339. The reversal of 2168817527338 is 8337257188612.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2168817527339) 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, 89122206 + ... + 89146537.

It is an arithmetic number, because the mean of its divisors is an integer number (128353495680).

Almost surely, 2^{2168817527338} is an apocalyptic number.

2168817527338 is a deficient number, since it is larger than the sum of its proper divisors (1938494334422).

2168817527338 is a wasteful number, since it uses less digits than its factorization.

2168817527338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178268842.

The product of its digits is 27095040, while the sum is 61.

The spelling of 2168817527338 in words is "two trillion, one hundred sixty-eight billion, eight hundred seventeen million, five hundred twenty-seven thousand, three hundred thirty-eight".