163387353 has 4 divisors (see below), whose sum is σ = 217849808. Its totient is φ = 108924900.

The previous prime is 163387349. The next prime is 163387361. The reversal of 163387353 is 353783361.

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, and also an emirpimes, since its reverse is a distinct semiprime: 353783361 = 3 ⋅117927787.

It is not a de Polignac number, because 163387353 - 2² = 163387349 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163387303) 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 3 ways as a sum of consecutive naturals, for example, 27231223 + ... + 27231228.

It is an arithmetic number, because the mean of its divisors is an integer number (54462452).

Almost surely, 2^163387353 is an apocalyptic number.

It is an amenable number.

163387353 is a deficient number, since it is larger than the sum of its proper divisors (54462455).

163387353 is an equidigital number, since it uses as much as digits as its factorization.

163387353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54462454.

The product of its digits is 136080, while the sum is 39.

The square root of 163387353 is about 12782.3062473092. The cubic root of 163387353 is about 546.6879218304.

The spelling of 163387353 in words is "one hundred sixty-three million, three hundred eighty-seven thousand, three hundred fifty-three".