164124403 has 2 divisors, whose sum is σ = 164124404. Its totient is φ = 164124402.

The previous prime is 164124397. The next prime is 164124419. The reversal of 164124403 is 304421461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 164124403 - 2⁹ = 164123891 is a prime.

It is not a weakly prime, because it can be changed into another prime (164124463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82062201 + 82062202.

It is an arithmetic number, because the mean of its divisors is an integer number (82062202).

Almost surely, 2^164124403 is an apocalyptic number.

164124403 is a deficient number, since it is larger than the sum of its proper divisors (1).

164124403 is an equidigital number, since it uses as much as digits as its factorization.

164124403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 164124403 is about 12811.1046752417. The cubic root of 164124403 is about 547.5087359865.

Adding to 164124403 its reverse (304421461), we get a palindrome (468545864).

The spelling of 164124403 in words is "one hundred sixty-four million, one hundred twenty-four thousand, four hundred three".