164500517 has 8 divisors (see below), whose sum is σ = 177883776. Its totient is φ = 151529152.

The previous prime is 164500507. The next prime is 164500543. The reversal of 164500517 is 715005461.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164500517 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 164500517.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164500507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102143 + ... + 103740.

It is an arithmetic number, because the mean of its divisors is an integer number (22235472).

Almost surely, 2^164500517 is an apocalyptic number.

164500517 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

164500517 is a deficient number, since it is larger than the sum of its proper divisors (13383259).

164500517 is a wasteful number, since it uses less digits than its factorization.

164500517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205947.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 164500517 is about 12825.7754931232. The cubic root of 164500517 is about 547.9266478355.

Adding to 164500517 its reverse (715005461), we get a palindrome (879505978).

The spelling of 164500517 in words is "one hundred sixty-four million, five hundred thousand, five hundred seventeen".