16488893 has 4 divisors (see below), whose sum is σ = 16550460. Its totient is φ = 16427328.

The previous prime is 16488889. The next prime is 16488911. The reversal of 16488893 is 39888461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39888461 = 1733 ⋅23017.

It can be written as a sum of positive squares in 2 ways, for example, as 2553604 + 13935289 = 1598^2 + 3733^2 .

It is a cyclic number.

It is not a de Polignac number, because 16488893 - 2² = 16488889 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16488833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30380 + ... + 30917.

It is an arithmetic number, because the mean of its divisors is an integer number (4137615).

Almost surely, 2^16488893 is an apocalyptic number.

It is an amenable number.

16488893 is a deficient number, since it is larger than the sum of its proper divisors (61567).

16488893 is an equidigital number, since it uses as much as digits as its factorization.

16488893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61566.

The product of its digits is 331776, while the sum is 47.

The square root of 16488893 is about 4060.6517949709. The cubic root of 16488893 is about 254.5250315363.

The spelling of 16488893 in words is "sixteen million, four hundred eighty-eight thousand, eight hundred ninety-three".