164042335 has 4 divisors (see below), whose sum is σ = 196850808. Its totient is φ = 131233864.

The previous prime is 164042327. The next prime is 164042339. The reversal of 164042335 is 533240461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 164042335 - 2³ = 164042327 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 (164042339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16404229 + ... + 16404238.

It is an arithmetic number, because the mean of its divisors is an integer number (49212702).

Almost surely, 2^164042335 is an apocalyptic number.

164042335 is a deficient number, since it is larger than the sum of its proper divisors (32808473).

164042335 is an equidigital number, since it uses as much as digits as its factorization.

164042335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32808472.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 164042335 is about 12807.9012722616. The cubic root of 164042335 is about 547.4174628677.

Adding to 164042335 its reverse (533240461), we get a palindrome (697282796).

The spelling of 164042335 in words is "one hundred sixty-four million, forty-two thousand, three hundred thirty-five".