16648147 has 4 divisors (see below), whose sum is σ = 17185216. Its totient is φ = 16111080.

The previous prime is 16648139. The next prime is 16648171. The reversal of 16648147 is 74184661.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74184661 = 769 ⋅96469.

It is a cyclic number.

It is not a de Polignac number, because 16648147 - 2³ = 16648139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16648847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268488 + ... + 268549.

It is an arithmetic number, because the mean of its divisors is an integer number (4296304).

Almost surely, 2^16648147 is an apocalyptic number.

16648147 is a deficient number, since it is larger than the sum of its proper divisors (537069).

16648147 is an equidigital number, since it uses as much as digits as its factorization.

16648147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537068.

The product of its digits is 32256, while the sum is 37.

The square root of 16648147 is about 4080.2140875204. The cubic root of 16648147 is about 255.3418304309.

The spelling of 16648147 in words is "sixteen million, six hundred forty-eight thousand, one hundred forty-seven".