164416089 has 4 divisors (see below), whose sum is σ = 219221456. Its totient is φ = 109610724.

The previous prime is 164416081. The next prime is 164416099. The reversal of 164416089 is 980614461.

164416089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 164416089 - 2³ = 164416081 is a prime.

It is a super-3 number, since 3×164416089³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164416081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27402679 + ... + 27402684.

It is an arithmetic number, because the mean of its divisors is an integer number (54805364).

Almost surely, 2^164416089 is an apocalyptic number.

It is an amenable number.

164416089 is a deficient number, since it is larger than the sum of its proper divisors (54805367).

164416089 is an equidigital number, since it uses as much as digits as its factorization.

164416089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54805366.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 164416089 is about 12822.4837297616. The cubic root of 164416089 is about 547.8328927756.

The spelling of 164416089 in words is "one hundred sixty-four million, four hundred sixteen thousand, eighty-nine".