1727442216163 has 4 divisors (see below), whose sum is σ = 1818360227560. Its totient is φ = 1636524204768.

The previous prime is 1727442216161. The next prime is 1727442216211. The reversal of 1727442216163 is 3616122447271.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1727442216163 - 2¹ = 1727442216161 is a prime.

It is a super-2 number, since 2×1727442216163² (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 (1727442216161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45459005670 + ... + 45459005707.

It is an arithmetic number, because the mean of its divisors is an integer number (454590056890).

Almost surely, 2^{1727442216163} is an apocalyptic number.

1727442216163 is a deficient number, since it is larger than the sum of its proper divisors (90918011397).

1727442216163 is an equidigital number, since it uses as much as digits as its factorization.

1727442216163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90918011396.

The product of its digits is 677376, while the sum is 46.

The spelling of 1727442216163 in words is "one trillion, seven hundred twenty-seven billion, four hundred forty-two million, two hundred sixteen thousand, one hundred sixty-three".