16374009 has 16 divisors (see below), whose sum is σ = 23915520. Its totient is φ = 9918720.

The previous prime is 16373993. The next prime is 16374037. The reversal of 16374009 is 90047361.

It is a happy number.

It is not a de Polignac number, because 16374009 - 2⁴ = 16373993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16374109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4057 + ... + 7014.

It is an arithmetic number, because the mean of its divisors is an integer number (1494720).

Almost surely, 2^16374009 is an apocalyptic number.

It is an amenable number.

16374009 is a deficient number, since it is larger than the sum of its proper divisors (7541511).

16374009 is a wasteful number, since it uses less digits than its factorization.

16374009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11120.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 16374009 is about 4046.4810638381. The cubic root of 16374009 is about 253.9325311119.

The spelling of 16374009 in words is "sixteen million, three hundred seventy-four thousand, nine".