164404832 has 12 divisors (see below), whose sum is σ = 323672076. Its totient is φ = 82202400.

The previous prime is 164404819. The next prime is 164404837. The reversal of 164404832 is 238404461.

It is a super-3 number, since 3×164404832³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 5137651 = 164404832 / (1 + 6 + 4 + 4 + 0 + 4 + 8 + 3 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164404837) 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 as a sum of consecutive naturals, namely, 2568794 + ... + 2568857.

It is an arithmetic number, because the mean of its divisors is an integer number (26972673).

Almost surely, 2^164404832 is an apocalyptic number.

It is an amenable number.

164404832 is a deficient number, since it is larger than the sum of its proper divisors (159267244).

164404832 is an equidigital number, since it uses as much as digits as its factorization.

164404832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5137661 (or 5137653 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 164404832 is about 12822.0447667289. The cubic root of 164404832 is about 547.8203897502.

The spelling of 164404832 in words is "one hundred sixty-four million, four hundred four thousand, eight hundred thirty-two".