163055253 has 4 divisors (see below), whose sum is σ = 217407008. Its totient is φ = 108703500.

The previous prime is 163055251. The next prime is 163055273. The reversal of 163055253 is 352550361.

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 not a de Polignac number, because 163055253 - 2¹ = 163055251 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 163055253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163055251) 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, 27175873 + ... + 27175878.

It is an arithmetic number, because the mean of its divisors is an integer number (54351752).

Almost surely, 2^163055253 is an apocalyptic number.

It is an amenable number.

163055253 is a deficient number, since it is larger than the sum of its proper divisors (54351755).

163055253 is an equidigital number, since it uses as much as digits as its factorization.

163055253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54351754.

The product of its (nonzero) digits is 13500, while the sum is 30.

The square root of 163055253 is about 12769.3090259419. The cubic root of 163055253 is about 546.3172725649.

The spelling of 163055253 in words is "one hundred sixty-three million, fifty-five thousand, two hundred fifty-three".