164401303 has 4 divisors (see below), whose sum is σ = 179346888. Its totient is φ = 149455720.

The previous prime is 164401301. The next prime is 164401331. The reversal of 164401303 is 303104461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 303104461 = 11 ⋅27554951.

It is a cyclic number.

It is not a de Polignac number, because 164401303 - 2¹ = 164401301 is a prime.

It is a super-3 number, since 3×164401303³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164401301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7472776 + ... + 7472797.

It is an arithmetic number, because the mean of its divisors is an integer number (44836722).

Almost surely, 2^164401303 is an apocalyptic number.

164401303 is a deficient number, since it is larger than the sum of its proper divisors (14945585).

164401303 is a wasteful number, since it uses less digits than its factorization.

164401303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14945584.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 164401303 is about 12821.9071514342. The cubic root of 164401303 is about 547.8164700114.

Adding to 164401303 its reverse (303104461), we get a palindrome (467505764).

The spelling of 164401303 in words is "one hundred sixty-four million, four hundred one thousand, three hundred three".