164251075 has 12 divisors (see below), whose sum is σ = 205230168. Its totient is φ = 130395200.

The previous prime is 164251057. The next prime is 164251079. The reversal of 164251075 is 570152461.

It is not a de Polignac number, because 164251075 - 2⁹ = 164250563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164251079) 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 11 ways as a sum of consecutive naturals, for example, 21802 + ... + 28351.

It is an arithmetic number, because the mean of its divisors is an integer number (17102514).

Almost surely, 2^164251075 is an apocalyptic number.

164251075 is a deficient number, since it is larger than the sum of its proper divisors (40979093).

164251075 is a wasteful number, since it uses less digits than its factorization.

164251075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50294 (or 50289 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 164251075 is about 12816.0475576521. The cubic root of 164251075 is about 547.6495563853.

The spelling of 164251075 in words is "one hundred sixty-four million, two hundred fifty-one thousand, seventy-five".