164503412 has 12 divisors (see below), whose sum is σ = 287974176. Its totient is φ = 82225080.

The previous prime is 164503411. The next prime is 164503459. The reversal of 164503412 is 214305461.

It is a super-2 number, since 2×164503412² = 54122745119283488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164503411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15263 + ... + 23705.

It is an arithmetic number, because the mean of its divisors is an integer number (23997848).

Almost surely, 2^164503412 is an apocalyptic number.

It is an amenable number.

164503412 is a deficient number, since it is larger than the sum of its proper divisors (123470764).

164503412 is a wasteful number, since it uses less digits than its factorization.

164503412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13318 (or 13316 counting only the distinct ones).

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

The square root of 164503412 is about 12825.8883512995. Note that the first 3 decimals coincide. The cubic root of 164503412 is about 547.9298620875.

Adding to 164503412 its reverse (214305461), we get a palindrome (378808873).

The spelling of 164503412 in words is "one hundred sixty-four million, five hundred three thousand, four hundred twelve".