163038256853 has 16 divisors (see below), whose sum is σ = 178833096000. Its totient is φ = 148042564992.

The previous prime is 163038256847. The next prime is 163038256859. The reversal of 163038256853 is 358652830361.

It is an interprime number because it is at equal distance from previous prime (163038256847) and next prime (163038256859).

It is a cyclic number.

It is not a de Polignac number, because 163038256853 - 2²⁰ = 163037208277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163038256859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1004423 + ... + 1155396.

It is an arithmetic number, because the mean of its divisors is an integer number (11177068500).

Almost surely, 2^163038256853 is an apocalyptic number.

It is an amenable number.

163038256853 is a deficient number, since it is larger than the sum of its proper divisors (15794839147).

163038256853 is a wasteful number, since it uses less digits than its factorization.

163038256853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2160004.

The product of its (nonzero) digits is 3110400, while the sum is 50.

The spelling of 163038256853 in words is "one hundred sixty-three billion, thirty-eight million, two hundred fifty-six thousand, eight hundred fifty-three".