16118943727 has 2 divisors, whose sum is σ = 16118943728. Its totient is φ = 16118943726.

The previous prime is 16118943713. The next prime is 16118943761. The reversal of 16118943727 is 72734981161.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16118943727 - 2¹⁹ = 16118419439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16118943527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8059471863 + 8059471864.

It is an arithmetic number, because the mean of its divisors is an integer number (8059471864).

Almost surely, 2^16118943727 is an apocalyptic number.

16118943727 is a deficient number, since it is larger than the sum of its proper divisors (1).

16118943727 is an equidigital number, since it uses as much as digits as its factorization.

16118943727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 508032, while the sum is 49.

The spelling of 16118943727 in words is "sixteen billion, one hundred eighteen million, nine hundred forty-three thousand, seven hundred twenty-seven".