16318907 has 6 divisors (see below), whose sum is σ = 17937444. Its totient is φ = 14835260.

The previous prime is 16318871. The next prime is 16318933. The reversal of 16318907 is 70981361.

It is not a de Polignac number, because 16318907 - 2¹⁸ = 16056763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16318957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67313 + ... + 67554.

It is an arithmetic number, because the mean of its divisors is an integer number (2989574).

Almost surely, 2^16318907 is an apocalyptic number.

16318907 is a deficient number, since it is larger than the sum of its proper divisors (1618537).

16318907 is a wasteful number, since it uses less digits than its factorization.

16318907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134889 (or 134878 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 16318907 is about 4039.6666941717. Note that the first 4 decimals coincide. The cubic root of 16318907 is about 253.6473654509.

The spelling of 16318907 in words is "sixteen million, three hundred eighteen thousand, nine hundred seven".