163603316321341 has 4 divisors (see below), whose sum is σ = 176188186807612. Its totient is φ = 151018445835072.

The previous prime is 163603316321317. The next prime is 163603316321443. The reversal of 163603316321341 is 143123613306361.

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 20196224748441 + 143407091572900 = 4494021^2 + 11975270^2 .

It is a cyclic number.

It is not a de Polignac number, because 163603316321341 - 2¹⁷ = 163603316190269 is a prime.

It is a super-2 number, since 2×163603316321341² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163603316321311) 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, 6292435243116 + ... + 6292435243141.

It is an arithmetic number, because the mean of its divisors is an integer number (44047046701903).

Almost surely, 2^{163603316321341} is an apocalyptic number.

It is an amenable number.

163603316321341 is a deficient number, since it is larger than the sum of its proper divisors (12584870486271).

163603316321341 is a wasteful number, since it uses less digits than its factorization.

163603316321341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12584870486270.

The product of its (nonzero) digits is 419904, while the sum is 43.

The spelling of 163603316321341 in words is "one hundred sixty-three trillion, six hundred three billion, three hundred sixteen million, three hundred twenty-one thousand, three hundred forty-one".