163013500545403 has 8 divisors (see below), whose sum is σ = 164597162023008. Its totient is φ = 161429858416704.

The previous prime is 163013500545361. The next prime is 163013500545439. The reversal of 163013500545403 is 304545005310361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 163013500545403 - 2⁹ = 163013500544891 is a prime.

It is a super-2 number, since 2×163013500545403² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163013500545443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12391125 + ... + 21899017.

It is an arithmetic number, because the mean of its divisors is an integer number (20574645252876).

Almost surely, 2^{163013500545403} is an apocalyptic number.

163013500545403 is a deficient number, since it is larger than the sum of its proper divisors (1583661477605).

163013500545403 is a wasteful number, since it uses less digits than its factorization.

163013500545403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9674453.

The product of its (nonzero) digits is 324000, while the sum is 40.

Adding to 163013500545403 its reverse (304545005310361), we get a palindrome (467558505855764).

The spelling of 163013500545403 in words is "one hundred sixty-three trillion, thirteen billion, five hundred million, five hundred forty-five thousand, four hundred three".