2017798580163 has 4 divisors (see below), whose sum is σ = 2690398106888. Its totient is φ = 1345199053440.

The previous prime is 2017798580143. The next prime is 2017798580167. The reversal of 2017798580163 is 3610858977102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2017798580163 - 2¹⁷ = 2017798449091 is a prime.

It is a super-2 number, since 2×2017798580163² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2017798580167) 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, 336299763358 + ... + 336299763363.

It is an arithmetic number, because the mean of its divisors is an integer number (672599526722).

Almost surely, 2^{2017798580163} is an apocalyptic number.

2017798580163 is a deficient number, since it is larger than the sum of its proper divisors (672599526725).

2017798580163 is an equidigital number, since it uses as much as digits as its factorization.

2017798580163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672599526724.

The product of its (nonzero) digits is 5080320, while the sum is 57.

The spelling of 2017798580163 in words is "two trillion, seventeen billion, seven hundred ninety-eight million, five hundred eighty thousand, one hundred sixty-three".