163245450253 has 8 divisors (see below), whose sum is σ = 169058390400. Its totient is φ = 157444762608.

The previous prime is 163245450239. The next prime is 163245450259. The reversal of 163245450253 is 352054542361.

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 163245450253 - 2³³ = 154655515661 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 (163245450259) 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, 3036001 + ... + 3089302.

It is an arithmetic number, because the mean of its divisors is an integer number (21132298800).

Almost surely, 2^163245450253 is an apocalyptic number.

It is an amenable number.

163245450253 is a deficient number, since it is larger than the sum of its proper divisors (5812940147).

163245450253 is an equidigital number, since it uses as much as digits as its factorization.

163245450253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6126251.

The product of its (nonzero) digits is 432000, while the sum is 40.

The spelling of 163245450253 in words is "one hundred sixty-three billion, two hundred forty-five million, four hundred fifty thousand, two hundred fifty-three".