164706107728831 has 2 divisors, whose sum is σ = 164706107728832. Its totient is φ = 164706107728830.

The previous prime is 164706107728763. The next prime is 164706107728849. The reversal of 164706107728831 is 138827701607461.

It is a happy number.

164706107728831 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 164706107728831 - 2⁴⁵ = 129521735639999 is a prime.

It is a super-2 number, since 2×164706107728831² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 164706107728831.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164706107728531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82353053864415 + 82353053864416.

It is an arithmetic number, because the mean of its divisors is an integer number (82353053864416).

Almost surely, 2^{164706107728831} is an apocalyptic number.

164706107728831 is a deficient number, since it is larger than the sum of its proper divisors (1).

164706107728831 is an equidigital number, since it uses as much as digits as its factorization.

164706107728831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18966528, while the sum is 61.

The spelling of 164706107728831 in words is "one hundred sixty-four trillion, seven hundred six billion, one hundred seven million, seven hundred twenty-eight thousand, eight hundred thirty-one".