164631303 has 12 divisors (see below), whose sum is σ = 242288280. Its totient is φ = 107683056.

The previous prime is 164631301. The next prime is 164631323. The reversal of 164631303 is 303136461.

164631303 is a `hidden beast` number, since 1 + 646 + 3 + 13 + 0 + 3 = 666.

It is not a de Polignac number, because 164631303 - 2¹ = 164631301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164631301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172093 + ... + 173046.

It is an arithmetic number, because the mean of its divisors is an integer number (20190690).

Almost surely, 2^164631303 is an apocalyptic number.

164631303 is a deficient number, since it is larger than the sum of its proper divisors (77656977).

164631303 is a wasteful number, since it uses less digits than its factorization.

164631303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345198 (or 345195 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 164631303 is about 12830.8730412237. The cubic root of 164631303 is about 548.0718189123.

Adding to 164631303 its reverse (303136461), we get a palindrome (467767764).

It can be divided in two parts, 16463 and 1303, that added together give a triangular number (17766 = T₁₈₈).

The spelling of 164631303 in words is "one hundred sixty-four million, six hundred thirty-one thousand, three hundred three".