164516087 has 4 divisors (see below), whose sum is σ = 164604000. Its totient is φ = 164428176.

The previous prime is 164516071. The next prime is 164516111. The reversal of 164516087 is 780615461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 164516087 - 2⁴ = 164516071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 164516087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164516047) 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, 41087 + ... + 44912.

It is an arithmetic number, because the mean of its divisors is an integer number (41151000).

Almost surely, 2^164516087 is an apocalyptic number.

164516087 is a deficient number, since it is larger than the sum of its proper divisors (87913).

164516087 is an equidigital number, since it uses as much as digits as its factorization.

164516087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87912.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 164516087 is about 12826.3824596026. The cubic root of 164516087 is about 547.9439344048.

The spelling of 164516087 in words is "one hundred sixty-four million, five hundred sixteen thousand, eighty-seven".