16146889 has 16 divisors (see below), whose sum is σ = 18904320. Its totient is φ = 13628160.

The previous prime is 16146869. The next prime is 16146901. The reversal of 16146889 is 98864161.

It is a cyclic number.

It is not a de Polignac number, because 16146889 - 2⁵ = 16146857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16146839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14227 + ... + 15319.

It is an arithmetic number, because the mean of its divisors is an integer number (1181520).

Almost surely, 2^16146889 is an apocalyptic number.

It is an amenable number.

16146889 is a deficient number, since it is larger than the sum of its proper divisors (2757431).

16146889 is a wasteful number, since it uses less digits than its factorization.

16146889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200.

The product of its digits is 82944, while the sum is 43.

The square root of 16146889 is about 4018.3191759740. The cubic root of 16146889 is about 252.7529811024.

The spelling of 16146889 in words is "sixteen million, one hundred forty-six thousand, eight hundred eighty-nine".