164013506 has 16 divisors (see below), whose sum is σ = 260929728. Its totient is φ = 77154000.

The previous prime is 164013461. The next prime is 164013533. The reversal of 164013506 is 605310461.

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 7 ways as a sum of consecutive naturals, for example, 26420 + ... + 32031.

It is an arithmetic number, because the mean of its divisors is an integer number (16308108).

Almost surely, 2^164013506 is an apocalyptic number.

164013506 is a deficient number, since it is larger than the sum of its proper divisors (96916222).

164013506 is a wasteful number, since it uses less digits than its factorization.

164013506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58537.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 164013506 is about 12806.7757847165. The cubic root of 164013506 is about 547.3853930515.

Adding to 164013506 its reverse (605310461), we get a palindrome (769323967).

The spelling of 164013506 in words is "one hundred sixty-four million, thirteen thousand, five hundred six".