163132317 has 24 divisors (see below), whose sum is σ = 242177208. Its totient is φ = 105753600.

The previous prime is 163132313. The next prime is 163132331. The reversal of 163132317 is 713231361.

163132317 is a `hidden beast` number, since 1 + 631 + 3 + 23 + 1 + 7 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 799236 + 162333081 = 894^2 + 12741^2 .

It is not a de Polignac number, because 163132317 - 2² = 163132313 is a prime.

It is a super-2 number, since 2×163132317² = 53224305699576978, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163132313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 159267 + ... + 160287.

It is an arithmetic number, because the mean of its divisors is an integer number (10090717).

Almost surely, 2^163132317 is an apocalyptic number.

It is an amenable number.

163132317 is a deficient number, since it is larger than the sum of its proper divisors (79044891).

163132317 is a wasteful number, since it uses less digits than its factorization.

163132317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501 (or 1498 counting only the distinct ones).

The product of its digits is 2268, while the sum is 27.

The square root of 163132317 is about 12772.3262172558. The cubic root of 163132317 is about 546.4033267552.

Adding to 163132317 its reverse (713231361), we get a palindrome (876363678).

The spelling of 163132317 in words is "one hundred sixty-three million, one hundred thirty-two thousand, three hundred seventeen".