164623015065 has 16 divisors (see below), whose sum is σ = 267106640256. Its totient is φ = 86562336000.

The previous prime is 164623014973. The next prime is 164623015069. The reversal of 164623015065 is 560510326461.

164623015065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 164623015065 - 2¹⁴ = 164622998681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164623015069) 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 in 15 ways as a sum of consecutive naturals, for example, 77286736 + ... + 77288865.

It is an arithmetic number, because the mean of its divisors is an integer number (16694165016).

Almost surely, 2^164623015065 is an apocalyptic number.

164623015065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

164623015065 is a deficient number, since it is larger than the sum of its proper divisors (102483625191).

164623015065 is a wasteful number, since it uses less digits than its factorization.

164623015065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154575680.

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 164623015065 in words is "one hundred sixty-four billion, six hundred twenty-three million, fifteen thousand, sixty-five".