16408402027 has 2 divisors, whose sum is σ = 16408402028. Its totient is φ = 16408402026.

The previous prime is 16408401991. The next prime is 16408402037. The reversal of 16408402027 is 72020480461.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16408402027 - 2⁷ = 16408401899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16408401983 and 16408402001.

It is not a weakly prime, because it can be changed into another prime (16408402037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8204201013 + 8204201014.

It is an arithmetic number, because the mean of its divisors is an integer number (8204201014).

Almost surely, 2^16408402027 is an apocalyptic number.

16408402027 is a deficient number, since it is larger than the sum of its proper divisors (1).

16408402027 is an equidigital number, since it uses as much as digits as its factorization.

16408402027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 34.

Adding to 16408402027 its reverse (72020480461), we get a palindrome (88428882488).

The spelling of 16408402027 in words is "sixteen billion, four hundred eight million, four hundred two thousand, twenty-seven".