16488403 has 2 divisors, whose sum is σ = 16488404. Its totient is φ = 16488402.

The previous prime is 16488391. The next prime is 16488413. The reversal of 16488403 is 30488461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16488403 - 2¹⁷ = 16357331 is a prime.

It is not a weakly prime, because it can be changed into another prime (16488413) 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 as a sum of consecutive naturals, namely, 8244201 + 8244202.

It is an arithmetic number, because the mean of its divisors is an integer number (8244202).

Almost surely, 2^16488403 is an apocalyptic number.

16488403 is a deficient number, since it is larger than the sum of its proper divisors (1).

16488403 is an equidigital number, since it uses as much as digits as its factorization.

16488403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 16488403 is about 4060.5914593813. The cubic root of 16488403 is about 254.5225102734.

The spelling of 16488403 in words is "sixteen million, four hundred eighty-eight thousand, four hundred three".