164658733 has 2 divisors, whose sum is σ = 164658734. Its totient is φ = 164658732.

The previous prime is 164658713. The next prime is 164658743. The reversal of 164658733 is 337856461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92102409 + 72556324 = 9597^2 + 8518^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164658733 is a prime.

It is a super-2 number, since 2×164658733² = 54224996706330578, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 164658733.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164658713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82329366 + 82329367.

It is an arithmetic number, because the mean of its divisors is an integer number (82329367).

Almost surely, 2^164658733 is an apocalyptic number.

It is an amenable number.

164658733 is a deficient number, since it is larger than the sum of its proper divisors (1).

164658733 is an equidigital number, since it uses as much as digits as its factorization.

164658733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 43.

The square root of 164658733 is about 12831.9419029233. The cubic root of 164658733 is about 548.1022561679.

The spelling of 164658733 in words is "one hundred sixty-four million, six hundred fifty-eight thousand, seven hundred thirty-three".