163013500545401 has 4 divisors (see below), whose sum is σ = 177832909685904. Its totient is φ = 148194091404900.

The previous prime is 163013500545361. The next prime is 163013500545439. The reversal of 163013500545401 is 104545005310361.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163013500545401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (163013500545901) 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, 7409704570235 + ... + 7409704570256.

It is an arithmetic number, because the mean of its divisors is an integer number (44458227421476).

Almost surely, 2^{163013500545401} is an apocalyptic number.

163013500545401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

163013500545401 is a deficient number, since it is larger than the sum of its proper divisors (14819409140503).

163013500545401 is a wasteful number, since it uses less digits than its factorization.

163013500545401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14819409140502.

The product of its (nonzero) digits is 108000, while the sum is 38.

Adding to 163013500545401 its reverse (104545005310361), we get a palindrome (267558505855762).

The spelling of 163013500545401 in words is "one hundred sixty-three trillion, thirteen billion, five hundred million, five hundred forty-five thousand, four hundred one".