164333537 has 2 divisors, whose sum is σ = 164333538. Its totient is φ = 164333536.

The previous prime is 164333501. The next prime is 164333557. The reversal of 164333537 is 735333461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104673361 + 59660176 = 10231^2 + 7724^2 .

It is a cyclic number.

It is not a de Polignac number, because 164333537 - 2⁶ = 164333473 is a prime.

It is a super-2 number, since 2×164333537² = 54011022765860738, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 164333497 and 164333506.

It is not a weakly prime, because it can be changed into another prime (164333557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82166768 + 82166769.

It is an arithmetic number, because the mean of its divisors is an integer number (82166769).

Almost surely, 2^164333537 is an apocalyptic number.

It is an amenable number.

164333537 is a deficient number, since it is larger than the sum of its proper divisors (1).

164333537 is an equidigital number, since it uses as much as digits as its factorization.

164333537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 35.

The square root of 164333537 is about 12819.2642924623. The cubic root of 164333537 is about 547.7411899252.

Adding to 164333537 its reverse (735333461), we get a palindrome (899666998).

The spelling of 164333537 in words is "one hundred sixty-four million, three hundred thirty-three thousand, five hundred thirty-seven".