164965626539423 has 2 divisors, whose sum is σ = 164965626539424. Its totient is φ = 164965626539422.

The previous prime is 164965626539419. The next prime is 164965626539449. The reversal of 164965626539423 is 324935626569461.

164965626539423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 164965626539423 - 2² = 164965626539419 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164965626439423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82482813269711 + 82482813269712.

It is an arithmetic number, because the mean of its divisors is an integer number (82482813269712).

Almost surely, 2^{164965626539423} is an apocalyptic number.

164965626539423 is a deficient number, since it is larger than the sum of its proper divisors (1).

164965626539423 is an equidigital number, since it uses as much as digits as its factorization.

164965626539423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1511654400, while the sum is 71.

The spelling of 164965626539423 in words is "one hundred sixty-four trillion, nine hundred sixty-five billion, six hundred twenty-six million, five hundred thirty-nine thousand, four hundred twenty-three".