164431075 has 12 divisors (see below), whose sum is σ = 204060600. Its totient is φ = 131437760.

The previous prime is 164431067. The next prime is 164431081. The reversal of 164431075 is 570134461.

It is not a de Polignac number, because 164431075 - 2³ = 164431067 is a prime.

It is a super-3 number, since 3×164431075³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 45951 + ... + 49399.

It is an arithmetic number, because the mean of its divisors is an integer number (17005050).

Almost surely, 2^164431075 is an apocalyptic number.

164431075 is a deficient number, since it is larger than the sum of its proper divisors (39629525).

164431075 is a wasteful number, since it uses less digits than its factorization.

164431075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5366 (or 5361 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 164431075 is about 12823.0680806116. The cubic root of 164431075 is about 547.8495366745.

The spelling of 164431075 in words is "one hundred sixty-four million, four hundred thirty-one thousand, seventy-five".