16324632317 has 4 divisors (see below), whose sum is σ = 18656722656. Its totient is φ = 13992541980.

The previous prime is 16324632293. The next prime is 16324632367. The reversal of 16324632317 is 71323642361.

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: 71323642361 = 41603 ⋅1714387.

It is a cyclic number.

It is not a de Polignac number, because 16324632317 - 2⁶ = 16324632253 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 (16324632367) 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, 1166045159 + ... + 1166045172.

It is an arithmetic number, because the mean of its divisors is an integer number (4664180664).

Almost surely, 2^16324632317 is an apocalyptic number.

It is an amenable number.

16324632317 is a deficient number, since it is larger than the sum of its proper divisors (2332090339).

16324632317 is an equidigital number, since it uses as much as digits as its factorization.

16324632317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2332090338.

The product of its digits is 108864, while the sum is 38.

The spelling of 16324632317 in words is "sixteen billion, three hundred twenty-four million, six hundred thirty-two thousand, three hundred seventeen".