164969658309 has 16 divisors (see below), whose sum is σ = 223946436800. Its totient is φ = 107999485056.

The previous prime is 164969658221. The next prime is 164969658313. The reversal of 164969658309 is 903856969461.

It is not a de Polignac number, because 164969658309 - 2¹¹ = 164969656261 is a prime.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 164969658309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164969658349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1594579 + ... + 1694880.

It is an arithmetic number, because the mean of its divisors is an integer number (13996652300).

Almost surely, 2^164969658309 is an apocalyptic number.

It is an amenable number.

164969658309 is a deficient number, since it is larger than the sum of its proper divisors (58976778491).

164969658309 is a wasteful number, since it uses less digits than its factorization.

164969658309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3289764.

The product of its (nonzero) digits is 75582720, while the sum is 66.

The spelling of 164969658309 in words is "one hundred sixty-four billion, nine hundred sixty-nine million, six hundred fifty-eight thousand, three hundred nine".