164287243 has 8 divisors (see below), whose sum is σ = 173111120. Its totient is φ = 155481120.

The previous prime is 164287187. The next prime is 164287247. The reversal of 164287243 is 342782461.

164287243 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 a cyclic number.

It is not a de Polignac number, because 164287243 - 2¹³ = 164279051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164287247) 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, 17353 + ... + 25093.

It is an arithmetic number, because the mean of its divisors is an integer number (21638890).

Almost surely, 2^164287243 is an apocalyptic number.

164287243 is a deficient number, since it is larger than the sum of its proper divisors (8823877).

164287243 is a wasteful number, since it uses less digits than its factorization.

164287243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8877.

The product of its digits is 64512, while the sum is 37.

The square root of 164287243 is about 12817.4585234359. The cubic root of 164287243 is about 547.6897508163.

The spelling of 164287243 in words is "one hundred sixty-four million, two hundred eighty-seven thousand, two hundred forty-three".