164823003217 has 8 divisors (see below), whose sum is σ = 165306735720. Its totient is φ = 164339366400.

The previous prime is 164823003203. The next prime is 164823003229. The reversal of 164823003217 is 712300328461.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 93685578561 + 71137424656 = 306081^2 + 266716^2 .

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-164823003217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164823003287) 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, 4890259 + ... + 4923847.

It is an arithmetic number, because the mean of its divisors is an integer number (20663341965).

Almost surely, 2^164823003217 is an apocalyptic number.

It is an amenable number.

164823003217 is a deficient number, since it is larger than the sum of its proper divisors (483732503).

164823003217 is a wasteful number, since it uses less digits than its factorization.

164823003217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47843.

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 164823003217 in words is "one hundred sixty-four billion, eight hundred twenty-three million, three thousand, two hundred seventeen".