164240201 has 8 divisors (see below), whose sum is σ = 169714944. Its totient is φ = 158776560.

The previous prime is 164240191. The next prime is 164240203. The reversal of 164240201 is 102042461.

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 164240201 - 2¹⁸ = 163978057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164240203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36206 + ... + 40488.

It is an arithmetic number, because the mean of its divisors is an integer number (21214368).

Almost surely, 2^164240201 is an apocalyptic number.

It is an amenable number.

164240201 is a deficient number, since it is larger than the sum of its proper divisors (5474743).

164240201 is a wasteful number, since it uses less digits than its factorization.

164240201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5551.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 164240201 is about 12815.6233168738. The cubic root of 164240201 is about 547.6374706751.

Adding to 164240201 its reverse (102042461), we get a palindrome (266282662).

The spelling of 164240201 in words is "one hundred sixty-four million, two hundred forty thousand, two hundred one".