164318803 has 4 divisors (see below), whose sum is σ = 179256888. Its totient is φ = 149380720.

The previous prime is 164318801. The next prime is 164318827. The reversal of 164318803 is 308813461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 308813461 = 11 ⋅28073951.

It is a cyclic number.

It is not a de Polignac number, because 164318803 - 2¹ = 164318801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164318801) 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, 7469026 + ... + 7469047.

It is an arithmetic number, because the mean of its divisors is an integer number (44814222).

Almost surely, 2^164318803 is an apocalyptic number.

164318803 is a deficient number, since it is larger than the sum of its proper divisors (14938085).

164318803 is a wasteful number, since it uses less digits than its factorization.

164318803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14938084.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 164318803 is about 12818.6895976149. The cubic root of 164318803 is about 547.7248194385.

The spelling of 164318803 in words is "one hundred sixty-four million, three hundred eighteen thousand, eight hundred three".