164840522 has 32 divisors (see below), whose sum is σ = 308880000. Its totient is φ = 64097280.

The previous prime is 164840521. The next prime is 164840527. The reversal of 164840522 is 225048461.

It is not an unprimeable number, because it can be changed into a prime (164840521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131354 + ... + 132602.

It is an arithmetic number, because the mean of its divisors is an integer number (9652500).

Almost surely, 2^164840522 is an apocalyptic number.

164840522 is a deficient number, since it is larger than the sum of its proper divisors (144039478).

164840522 is a wasteful number, since it uses less digits than its factorization.

164840522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2126.

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 164840522 is about 12839.0234052283. The cubic root of 164840522 is about 548.3038900025.

Adding to 164840522 its reverse (225048461), we get a palindrome (389888983).

The spelling of 164840522 in words is "one hundred sixty-four million, eight hundred forty thousand, five hundred twenty-two".