16612089 has 16 divisors (see below), whose sum is σ = 23987712. Its totient is φ = 10165248.

The previous prime is 16612081. The next prime is 16612091. The reversal of 16612089 is 98021661.

It is not a de Polignac number, because 16612089 - 2³ = 16612081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16612081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6424 + ... + 8630.

It is an arithmetic number, because the mean of its divisors is an integer number (1499232).

Almost surely, 2^16612089 is an apocalyptic number.

It is an amenable number.

16612089 is a deficient number, since it is larger than the sum of its proper divisors (7375623).

16612089 is a wasteful number, since it uses less digits than its factorization.

16612089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2416.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 16612089 is about 4075.7930516649. The cubic root of 16612089 is about 255.1573500215.

The spelling of 16612089 in words is "sixteen million, six hundred twelve thousand, eighty-nine".