164402032 has 20 divisors (see below), whose sum is σ = 320185360. Its totient is φ = 81773568.

The previous prime is 164402027. The next prime is 164402033. The reversal of 164402032 is 230204461.

It is a happy number.

It is a super-3 number, since 3×164402032³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 164401994 and 164402012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164402033) 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 3 ways as a sum of consecutive naturals, for example, 23532 + ... + 29707.

It is an arithmetic number, because the mean of its divisors is an integer number (16009268).

Almost surely, 2^164402032 is an apocalyptic number.

It is an amenable number.

164402032 is a deficient number, since it is larger than the sum of its proper divisors (155783328).

164402032 is a wasteful number, since it uses less digits than its factorization.

164402032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53440 (or 53434 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 164402032 is about 12821.9355793109. The cubic root of 164402032 is about 547.8172797325.

Adding to 164402032 its reverse (230204461), we get a palindrome (394606493).

The spelling of 164402032 in words is "one hundred sixty-four million, four hundred two thousand, thirty-two".