164031133 has 8 divisors (see below), whose sum is σ = 187589952. Its totient is φ = 140503776.

The previous prime is 164031121. The next prime is 164031169. The reversal of 164031133 is 331130461.

It is a happy number.

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

It is not a de Polignac number, because 164031133 - 2²⁵ = 130476701 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 (164031533) 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, 4641 + ... + 18697.

It is an arithmetic number, because the mean of its divisors is an integer number (23448744).

Almost surely, 2^164031133 is an apocalyptic number.

It is an amenable number.

164031133 is a deficient number, since it is larger than the sum of its proper divisors (23558819).

164031133 is a wasteful number, since it uses less digits than its factorization.

164031133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15731.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 164031133 is about 12807.4639566153. The cubic root of 164031133 is about 547.4050020396.

Adding to 164031133 its reverse (331130461), we get a palindrome (495161594).

The spelling of 164031133 in words is "one hundred sixty-four million, thirty-one thousand, one hundred thirty-three".