16791241 has 4 divisors (see below), whose sum is σ = 17021332. Its totient is φ = 16561152.

The previous prime is 16791233. The next prime is 16791251. The reversal of 16791241 is 14219761.

16791241 = 264² + 265² + ... + 409².

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14219761 = 613 ⋅23197.

It can be written as a sum of positive squares in 2 ways, for example, as 14137600 + 2653641 = 3760^2 + 1629^2 .

It is a cyclic number.

It is not a de Polignac number, because 16791241 - 2³ = 16791233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16791211) 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, 114936 + ... + 115081.

It is an arithmetic number, because the mean of its divisors is an integer number (4255333).

Almost surely, 2^16791241 is an apocalyptic number.

It is an amenable number.

16791241 is a deficient number, since it is larger than the sum of its proper divisors (230091).

16791241 is an equidigital number, since it uses as much as digits as its factorization.

16791241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230090.

The product of its digits is 3024, while the sum is 31.

The square root of 16791241 is about 4097.7116784859. The cubic root of 16791241 is about 256.0713149705.

The spelling of 16791241 in words is "sixteen million, seven hundred ninety-one thousand, two hundred forty-one".