16056789 has 32 divisors (see below), whose sum is σ = 26562816. Its totient is φ = 8417280.

The previous prime is 16056787. The next prime is 16056809. The reversal of 16056789 is 98765061.

16056789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16056789 - 2¹ = 16056787 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16056789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16056787) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14089 + ... + 15185.

It is an arithmetic number, because the mean of its divisors is an integer number (830088).

Almost surely, 2^16056789 is an apocalyptic number.

It is an amenable number.

16056789 is a deficient number, since it is larger than the sum of its proper divisors (10506027).

16056789 is a wasteful number, since it uses less digits than its factorization.

16056789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 16056789 is about 4007.0923373439. The cubic root of 16056789 is about 252.2819815303.

The spelling of 16056789 in words is "sixteen million, fifty-six thousand, seven hundred eighty-nine".