164312522 has 32 divisors (see below), whose sum is σ = 275019840. Its totient is φ = 72996480.

The previous prime is 164312441. The next prime is 164312539. The reversal of 164312522 is 225213461.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 164312491 and 164312500.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 359318 + ... + 359774.

It is an arithmetic number, because the mean of its divisors is an integer number (8594370).

Almost surely, 2^164312522 is an apocalyptic number.

164312522 is a deficient number, since it is larger than the sum of its proper divisors (110707318).

164312522 is a wasteful number, since it uses less digits than its factorization.

164312522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806.

The product of its digits is 2880, while the sum is 26.

The square root of 164312522 is about 12818.4446014327. Note that the first 3 decimals coincide. The cubic root of 164312522 is about 547.7178405184.

Adding to 164312522 its reverse (225213461), we get a palindrome (389525983).

The spelling of 164312522 in words is "one hundred sixty-four million, three hundred twelve thousand, five hundred twenty-two".