16316409 has 8 divisors (see below), whose sum is σ = 21948192. Its totient is φ = 10781120.

The previous prime is 16316369. The next prime is 16316411. The reversal of 16316409 is 90461361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16316409 - 2¹³ = 16308217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16316429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23727 + ... + 24404.

It is an arithmetic number, because the mean of its divisors is an integer number (2743524).

Almost surely, 2^16316409 is an apocalyptic number.

It is an amenable number.

16316409 is a deficient number, since it is larger than the sum of its proper divisors (5631783).

16316409 is a wasteful number, since it uses less digits than its factorization.

16316409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48247.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 16316409 is about 4039.3574984148. The cubic root of 16316409 is about 253.6344225201.

The spelling of 16316409 in words is "sixteen million, three hundred sixteen thousand, four hundred nine".