16370409 has 8 divisors (see below), whose sum is σ = 23811552. Its totient is φ = 9921440.

The previous prime is 16370369. The next prime is 16370437. The reversal of 16370409 is 90407361.

It is a happy number.

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 16370409 - 2⁷ = 16370281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16370489) 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, 248004 + ... + 248069.

It is an arithmetic number, because the mean of its divisors is an integer number (2976444).

Almost surely, 2^16370409 is an apocalyptic number.

It is an amenable number.

16370409 is a deficient number, since it is larger than the sum of its proper divisors (7441143).

16370409 is a wasteful number, since it uses less digits than its factorization.

16370409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496087.

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

The square root of 16370409 is about 4046.0362084391. The cubic root of 16370409 is about 253.9139198254.

The spelling of 16370409 in words is "sixteen million, three hundred seventy thousand, four hundred nine".