163300253 has 16 divisors (see below), whose sum is σ = 175827456. Its totient is φ = 151282560.

The previous prime is 163300243. The next prime is 163300273. The reversal of 163300253 is 352003361.

It is a cyclic number.

It is not a de Polignac number, because 163300253 - 2⁴ = 163300237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163300223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147500 + ... + 148602.

It is an arithmetic number, because the mean of its divisors is an integer number (10989216).

Almost surely, 2^163300253 is an apocalyptic number.

It is an amenable number.

163300253 is a deficient number, since it is larger than the sum of its proper divisors (12527203).

163300253 is a wasteful number, since it uses less digits than its factorization.

163300253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 163300253 is about 12778.8987397193. The cubic root of 163300253 is about 546.5907601246.

The spelling of 163300253 in words is "one hundred sixty-three million, three hundred thousand, two hundred fifty-three".