163386271727 has 4 divisors (see below), whose sum is σ = 186727167696. Its totient is φ = 140045375760.

The previous prime is 163386271709. The next prime is 163386271729. The reversal of 163386271727 is 727172683361.

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 163386271727 - 2¹⁸ = 163386009583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163386271729) 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, 11670447974 + ... + 11670447987.

It is an arithmetic number, because the mean of its divisors is an integer number (46681791924).

Almost surely, 2^163386271727 is an apocalyptic number.

163386271727 is a deficient number, since it is larger than the sum of its proper divisors (23340895969).

163386271727 is an equidigital number, since it uses as much as digits as its factorization.

163386271727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23340895968.

The product of its digits is 3556224, while the sum is 53.

The spelling of 163386271727 in words is "one hundred sixty-three billion, three hundred eighty-six million, two hundred seventy-one thousand, seven hundred twenty-seven".