16146809 has 8 divisors (see below), whose sum is σ = 18515328. Its totient is φ = 13793760.

The previous prime is 16146791. The next prime is 16146811. The reversal of 16146809 is 90864161.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16146809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16146839) 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, 1532 + ... + 5885.

It is an arithmetic number, because the mean of its divisors is an integer number (2314416).

Almost surely, 2^16146809 is an apocalyptic number.

It is an amenable number.

16146809 is a deficient number, since it is larger than the sum of its proper divisors (2368519).

16146809 is an equidigital number, since it uses as much as digits as its factorization.

16146809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7735.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 16146809 is about 4018.3092215508. The cubic root of 16146809 is about 252.7525636789.

The spelling of 16146809 in words is "sixteen million, one hundred forty-six thousand, eight hundred nine".