164306646065 has 16 divisors (see below), whose sum is σ = 197740154880. Its totient is φ = 131064120000.

The previous prime is 164306646043. The next prime is 164306646103. The reversal of 164306646065 is 560646603461.

It is not a de Polignac number, because 164306646065 - 2⁶ = 164306646001 is a prime.

It is a super-2 number, since 2×164306646065² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5700440 + ... + 5729190.

It is an arithmetic number, because the mean of its divisors is an integer number (12358759680).

Almost surely, 2^164306646065 is an apocalyptic number.

It is an amenable number.

164306646065 is a deficient number, since it is larger than the sum of its proper divisors (33433508815).

164306646065 is a wasteful number, since it uses less digits than its factorization.

164306646065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32032.

The product of its (nonzero) digits is 1866240, while the sum is 47.

The spelling of 164306646065 in words is "one hundred sixty-four billion, three hundred six million, six hundred forty-six thousand, sixty-five".