16386428527 has 16 divisors (see below), whose sum is σ = 18795051072. Its totient is φ = 13994830080.

The previous prime is 16386428521. The next prime is 16386428557. The reversal of 16386428527 is 72582468361.

It is a de Polignac number, because none of the positive numbers 2^k-16386428527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16386428521) 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 in 15 ways as a sum of consecutive naturals, for example, 2333073 + ... + 2340085.

It is an arithmetic number, because the mean of its divisors is an integer number (1174690692).

Almost surely, 2^16386428527 is an apocalyptic number.

16386428527 is a deficient number, since it is larger than the sum of its proper divisors (2408622545).

16386428527 is an equidigital number, since it uses as much as digits as its factorization.

16386428527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8178.

The product of its digits is 3870720, while the sum is 52.

The spelling of 16386428527 in words is "sixteen billion, three hundred eighty-six million, four hundred twenty-eight thousand, five hundred twenty-seven".