16777089 has 24 divisors (see below), whose sum is σ = 27822912. Its totient is φ = 9542880.

The previous prime is 16777049. The next prime is 16777099. The reversal of 16777089 is 98077761.

It is a happy number.

It is not a de Polignac number, because 16777089 - 2⁷ = 16776961 is a prime.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (16777049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17359 + ... + 18299.

It is an arithmetic number, because the mean of its divisors is an integer number (1159288).

Almost surely, 2^16777089 is an apocalyptic number.

It is an amenable number.

16777089 is a deficient number, since it is larger than the sum of its proper divisors (11045823).

16777089 is a wasteful number, since it uses less digits than its factorization.

16777089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237 (or 1234 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 45.

The square root of 16777089 is about 4095.9844970410. The cubic root of 16777089 is about 255.9993540430. Note that the first 3 decimals are identical.

The spelling of 16777089 in words is "sixteen million, seven hundred seventy-seven thousand, eighty-nine".