164243435 has 8 divisors (see below), whose sum is σ = 197224416. Its totient is φ = 131306560.

The previous prime is 164243423. The next prime is 164243459. The reversal of 164243435 is 534342461.

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

It is not a de Polignac number, because 164243435 - 2⁶ = 164243371 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2186 + ... + 18255.

It is an arithmetic number, because the mean of its divisors is an integer number (24653052).

Almost surely, 2^164243435 is an apocalyptic number.

164243435 is a deficient number, since it is larger than the sum of its proper divisors (32980981).

164243435 is a wasteful number, since it uses less digits than its factorization.

164243435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22053.

The product of its digits is 34560, while the sum is 32.

The square root of 164243435 is about 12815.7494903732. The cubic root of 164243435 is about 547.6410651015.

Adding to 164243435 its reverse (534342461), we get a palindrome (698585896).

The spelling of 164243435 in words is "one hundred sixty-four million, two hundred forty-three thousand, four hundred thirty-five".