16148209 has 8 divisors (see below), whose sum is σ = 20132928. Its totient is φ = 12582960.

The previous prime is 16148207. The next prime is 16148221. The reversal of 16148209 is 90284161.

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 16148209 - 2¹ = 16148207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16148203) 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, 104782 + ... + 104935.

It is an arithmetic number, because the mean of its divisors is an integer number (2516616).

Almost surely, 2^16148209 is an apocalyptic number.

It is an amenable number.

16148209 is a deficient number, since it is larger than the sum of its proper divisors (3984719).

16148209 is a wasteful number, since it uses less digits than its factorization.

16148209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209735.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 16148209 is about 4018.4834203963. The cubic root of 16148209 is about 252.7598683908.

It can be divided in two parts, 16 and 148209, that added together give a square (148225 = 385²).

The spelling of 16148209 in words is "sixteen million, one hundred forty-eight thousand, two hundred nine".