164465443 has 2 divisors, whose sum is σ = 164465444. Its totient is φ = 164465442.

The previous prime is 164465437. The next prime is 164465449. The reversal of 164465443 is 344564461.

164465443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (164465437) and next prime (164465449).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164465443 is a prime.

It is a super-3 number, since 3×164465443³ (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (164465449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82232721 + 82232722.

It is an arithmetic number, because the mean of its divisors is an integer number (82232722).

Almost surely, 2^164465443 is an apocalyptic number.

164465443 is a deficient number, since it is larger than the sum of its proper divisors (1).

164465443 is an equidigital number, since it uses as much as digits as its factorization.

164465443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 37.

The square root of 164465443 is about 12824.4080955029. The cubic root of 164465443 is about 547.8877029827.

The spelling of 164465443 in words is "one hundred sixty-four million, four hundred sixty-five thousand, four hundred forty-three".