164306803 has 4 divisors (see below), whose sum is σ = 168314328. Its totient is φ = 160299280.

The previous prime is 164306801. The next prime is 164306839. The reversal of 164306803 is 308603461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 308603461 = 307 ⋅1005223.

It is a cyclic number.

It is not a de Polignac number, because 164306803 - 2¹ = 164306801 is a prime.

It is a super-3 number, since 3×164306803³ (a number of 26 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164306801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2003701 + ... + 2003782.

It is an arithmetic number, because the mean of its divisors is an integer number (42078582).

Almost surely, 2^164306803 is an apocalyptic number.

164306803 is a deficient number, since it is larger than the sum of its proper divisors (4007525).

164306803 is an equidigital number, since it uses as much as digits as its factorization.

164306803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4007524.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 164306803 is about 12818.2215225046. The cubic root of 164306803 is about 547.7114858908.

The spelling of 164306803 in words is "one hundred sixty-four million, three hundred six thousand, eight hundred three".