164065037623 has 2 divisors, whose sum is σ = 164065037624. Its totient is φ = 164065037622.

The previous prime is 164065037597. The next prime is 164065037627. The reversal of 164065037623 is 326730560461.

164065037623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164065037623 - 2²¹ = 164062940471 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 164065037623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164065037627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82032518811 + 82032518812.

It is an arithmetic number, because the mean of its divisors is an integer number (82032518812).

Almost surely, 2^164065037623 is an apocalyptic number.

164065037623 is a deficient number, since it is larger than the sum of its proper divisors (1).

164065037623 is an equidigital number, since it uses as much as digits as its factorization.

164065037623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 43.

The spelling of 164065037623 in words is "one hundred sixty-four billion, sixty-five million, thirty-seven thousand, six hundred twenty-three".