164917234 has 4 divisors (see below), whose sum is σ = 247375854. Its totient is φ = 82458616.

The previous prime is 164917201. The next prime is 164917237. The reversal of 164917234 is 432719461.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 142874209 + 22043025 = 11953^2 + 4695^2 .

It is a junction number, because it is equal to n+sod(n) for n = 164917193 and 164917202.

It is not an unprimeable number, because it can be changed into a prime (164917237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41229307 + ... + 41229310.

Almost surely, 2^164917234 is an apocalyptic number.

164917234 is a deficient number, since it is larger than the sum of its proper divisors (82458620).

164917234 is an equidigital number, since it uses as much as digits as its factorization.

164917234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82458619.

The product of its digits is 36288, while the sum is 37.

The square root of 164917234 is about 12842.0105123769. The cubic root of 164917234 is about 548.3889317234.

The spelling of 164917234 in words is "one hundred sixty-four million, nine hundred seventeen thousand, two hundred thirty-four".