16001000003 has 2 divisors, whose sum is σ = 16001000004. Its totient is φ = 16001000002.

The previous prime is 16000999969. The next prime is 16001000027. The reversal of 16001000003 is 30000010061.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16001000003 - 2⁶ = 16000999939 is a prime.

It is not a weakly prime, because it can be changed into another prime (16001000053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8000500001 + 8000500002.

It is an arithmetic number, because the mean of its divisors is an integer number (8000500002).

Almost surely, 2^16001000003 is an apocalyptic number.

16001000003 is a deficient number, since it is larger than the sum of its proper divisors (1).

16001000003 is an equidigital number, since it uses as much as digits as its factorization.

16001000003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 16001000003 its reverse (30000010061), we get a palindrome (46001010064).

The spelling of 16001000003 in words is "sixteen billion, one million, three", and thus it is an aban number and an uban number.