16001000027 has 2 divisors, whose sum is σ = 16001000028. Its totient is φ = 16001000026.

The previous prime is 16001000003. The next prime is 16001000051. The reversal of 16001000027 is 72000010061.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (16001000003) and next prime (16001000051).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16001000027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16000999969 and 16001000014.

It is not a weakly prime, because it can be changed into another prime (16001000087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8000500013 + 8000500014.

It is an arithmetic number, because the mean of its divisors is an integer number (8000500014).

Almost surely, 2^16001000027 is an apocalyptic number.

16001000027 is a deficient number, since it is larger than the sum of its proper divisors (1).

16001000027 is an equidigital number, since it uses as much as digits as its factorization.

16001000027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 17.

Adding to 16001000027 its reverse (72000010061), we get a palindrome (88001010088).

The spelling of 16001000027 in words is "sixteen billion, one million, twenty-seven", and thus it is an aban number and an uban number.