164969311 has 8 divisors (see below), whose sum is σ = 178051104. Its totient is φ = 151943520.

The previous prime is 164969297. The next prime is 164969327. The reversal of 164969311 is 113969461.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 164969311 - 2¹³ = 164961119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164969341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7771 + ... + 19756.

It is an arithmetic number, because the mean of its divisors is an integer number (22256388).

Almost surely, 2^164969311 is an apocalyptic number.

164969311 is a deficient number, since it is larger than the sum of its proper divisors (13081793).

164969311 is a wasteful number, since it uses less digits than its factorization.

164969311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28001.

The product of its digits is 34992, while the sum is 40.

The square root of 164969311 is about 12844.0379554095. The cubic root of 164969311 is about 548.4466484422.

The spelling of 164969311 in words is "one hundred sixty-four million, nine hundred sixty-nine thousand, three hundred eleven".