164316505 has 8 divisors (see below), whose sum is σ = 197252352. Its totient is φ = 131404848.

The previous prime is 164316499. The next prime is 164316527. The reversal of 164316505 is 505613461.

164316505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 164316505 - 2³ = 164316497 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16654 + ... + 24616.

It is an arithmetic number, because the mean of its divisors is an integer number (24656544).

Almost surely, 2^164316505 is an apocalyptic number.

It is an amenable number.

164316505 is a deficient number, since it is larger than the sum of its proper divisors (32935847).

164316505 is an equidigital number, since it uses as much as digits as its factorization.

164316505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12095.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 164316505 is about 12818.5999625544. The cubic root of 164316505 is about 547.7222661144.

Adding to 164316505 its reverse (505613461), we get a palindrome (669929966).

The spelling of 164316505 in words is "one hundred sixty-four million, three hundred sixteen thousand, five hundred five".