164340653506319 has 2 divisors, whose sum is σ = 164340653506320. Its totient is φ = 164340653506318.

The previous prime is 164340653506231. The next prime is 164340653506349. The reversal of 164340653506319 is 913605356043461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164340653506319 - 2³⁶ = 164271934029583 is a prime.

It is a super-2 number, since 2×164340653506319² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164340653506349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82170326753159 + 82170326753160.

It is an arithmetic number, because the mean of its divisors is an integer number (82170326753160).

Almost surely, 2^{164340653506319} is an apocalyptic number.

164340653506319 is a deficient number, since it is larger than the sum of its proper divisors (1).

164340653506319 is an equidigital number, since it uses as much as digits as its factorization.

164340653506319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20995200, while the sum is 56.

The spelling of 164340653506319 in words is "one hundred sixty-four trillion, three hundred forty billion, six hundred fifty-three million, five hundred six thousand, three hundred nineteen".