16386805387 has 2 divisors, whose sum is σ = 16386805388. Its totient is φ = 16386805386.

The previous prime is 16386805367. The next prime is 16386805403. The reversal of 16386805387 is 78350868361.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16386805387 - 2²³ = 16378416779 is a prime.

It is a super-3 number, since 3×16386805387³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (16386805307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8193402693 + 8193402694.

It is an arithmetic number, because the mean of its divisors is an integer number (8193402694).

Almost surely, 2^16386805387 is an apocalyptic number.

16386805387 is a deficient number, since it is larger than the sum of its proper divisors (1).

16386805387 is an equidigital number, since it uses as much as digits as its factorization.

16386805387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5806080, while the sum is 55.

The spelling of 16386805387 in words is "sixteen billion, three hundred eighty-six million, eight hundred five thousand, three hundred eighty-seven".