164668269 has 8 divisors (see below), whose sum is σ = 231113440. Its totient is φ = 104000976.

The previous prime is 164668253. The next prime is 164668289. The reversal of 164668269 is 962866461.

It is a happy number.

164668269 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 164668269 - 2⁴ = 164668253 is a prime.

It is a super-2 number, since 2×164668269² = 54231277630912722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164668289) 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, 1444402 + ... + 1444515.

It is an arithmetic number, because the mean of its divisors is an integer number (28889180).

Almost surely, 2^164668269 is an apocalyptic number.

164668269 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

164668269 is a deficient number, since it is larger than the sum of its proper divisors (66445171).

164668269 is a wasteful number, since it uses less digits than its factorization.

164668269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2888939.

The product of its digits is 746496, while the sum is 48.

The square root of 164668269 is about 12832.3134702983. The cubic root of 164668269 is about 548.1128368441.

The spelling of 164668269 in words is "one hundred sixty-four million, six hundred sixty-eight thousand, two hundred sixty-nine".