164347249 has 8 divisors (see below), whose sum is σ = 180060192. Its totient is φ = 148763040.

The previous prime is 164347217. The next prime is 164347277. The reversal of 164347249 is 942743461.

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 164347249 - 2⁵ = 164347217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164347049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29499 + ... + 34624.

It is an arithmetic number, because the mean of its divisors is an integer number (22507524).

Almost surely, 2^164347249 is an apocalyptic number.

It is an amenable number.

164347249 is a deficient number, since it is larger than the sum of its proper divisors (15712943).

164347249 is a wasteful number, since it uses less digits than its factorization.

164347249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64367.

The product of its digits is 145152, while the sum is 40.

The square root of 164347249 is about 12819.7991013900. The cubic root of 164347249 is about 547.7564240205.

The spelling of 164347249 in words is "one hundred sixty-four million, three hundred forty-seven thousand, two hundred forty-nine".