163270134641 has 4 divisors (see below), whose sum is σ = 163329703284. Its totient is φ = 163210566000.

The previous prime is 163270134637. The next prime is 163270134653. The reversal of 163270134641 is 146431072361.

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

It can be written as a sum of positive squares in 2 ways, for example, as 119671024225 + 43599110416 = 345935^2 + 208804^2 .

It is a cyclic number.

It is not a de Polignac number, because 163270134641 - 2² = 163270134637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 163270134595 and 163270134604.

It is not an unprimeable number, because it can be changed into a prime (163270134541) 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, 29780210 + ... + 29785691.

It is an arithmetic number, because the mean of its divisors is an integer number (40832425821).

Almost surely, 2^163270134641 is an apocalyptic number.

It is an amenable number.

163270134641 is a deficient number, since it is larger than the sum of its proper divisors (59568643).

163270134641 is an equidigital number, since it uses as much as digits as its factorization.

163270134641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59568642.

The product of its (nonzero) digits is 72576, while the sum is 38.

The spelling of 163270134641 in words is "one hundred sixty-three billion, two hundred seventy million, one hundred thirty-four thousand, six hundred forty-one".