163463536253 has 4 divisors (see below), whose sum is σ = 163467200988. Its totient is φ = 163459871520.

The previous prime is 163463536219. The next prime is 163463536309. The reversal of 163463536253 is 352635364361.

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 56169948004 + 107293588249 = 237002^2 + 327557^2 .

It is a cyclic number.

It is not a de Polignac number, because 163463536253 - 2⁶ = 163463536189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 163463536198 and 163463536207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163463536553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1764626 + ... + 1854947.

It is an arithmetic number, because the mean of its divisors is an integer number (40866800247).

Almost surely, 2^163463536253 is an apocalyptic number.

It is an amenable number.

163463536253 is a deficient number, since it is larger than the sum of its proper divisors (3664735).

163463536253 is an equidigital number, since it uses as much as digits as its factorization.

163463536253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3664734.

The product of its digits is 3499200, while the sum is 47.

The spelling of 163463536253 in words is "one hundred sixty-three billion, four hundred sixty-three million, five hundred thirty-six thousand, two hundred fifty-three".