164531116 has 12 divisors (see below), whose sum is σ = 288450288. Its totient is φ = 82116752.

The previous prime is 164531099. The next prime is 164531137. The reversal of 164531116 is 611135461.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34696 + ... + 39151.

It is an arithmetic number, because the mean of its divisors is an integer number (24037524).

Almost surely, 2^164531116 is an apocalyptic number.

It is an amenable number.

164531116 is a deficient number, since it is larger than the sum of its proper divisors (123919172).

164531116 is a wasteful number, since it uses less digits than its factorization.

164531116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74408 (or 74406 counting only the distinct ones).

The product of its digits is 2160, while the sum is 28.

The square root of 164531116 is about 12826.9683089965. The cubic root of 164531116 is about 547.9606192952.

Adding to 164531116 its reverse (611135461), we get a palindrome (775666577).

It can be divided in two parts, 1645 and 31116, that added together give a square (32761 = 181²).

The spelling of 164531116 in words is "one hundred sixty-four million, five hundred thirty-one thousand, one hundred sixteen".