16428159 has 12 divisors (see below), whose sum is σ = 25886952. Its totient is φ = 9956400.

The previous prime is 16428157. The next prime is 16428161. The reversal of 16428159 is 95182461.

16428159 is a `hidden beast` number, since 1 + 642 + 8 + 1 + 5 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (16428157) and next prime (16428161).

It is not a de Polignac number, because 16428159 - 2¹ = 16428157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16428151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82872 + ... + 83069.

It is an arithmetic number, because the mean of its divisors is an integer number (2157246).

Almost surely, 2^16428159 is an apocalyptic number.

16428159 is a deficient number, since it is larger than the sum of its proper divisors (9458793).

16428159 is a wasteful number, since it uses less digits than its factorization.

16428159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165958 (or 165955 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 16428159 is about 4053.1665398797. The cubic root of 16428159 is about 254.2121473510.

It can be divided in two parts, 1642 and 8159, that added together give a square (9801 = 99²).

The spelling of 16428159 in words is "sixteen million, four hundred twenty-eight thousand, one hundred fifty-nine".