164034436 has 18 divisors (see below), whose sum is σ = 300087662. Its totient is φ = 78450240.

The previous prime is 164034397. The next prime is 164034439. The reversal of 164034436 is 634430461.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 107122500 + 56911936 = 10350^2 + 7544^2 .

It is a junction number, because it is equal to n+sod(n) for n = 164034398 and 164034407.

It is not an unprimeable number, because it can be changed into a prime (164034439) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36645 + ... + 40876.

Almost surely, 2^164034436 is an apocalyptic number.

It is an amenable number.

164034436 is a deficient number, since it is larger than the sum of its proper divisors (136053226).

164034436 is a wasteful number, since it uses less digits than its factorization.

164034436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77571 (or 77546 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 164034436 is about 12807.5929042112. The cubic root of 164034436 is about 547.4086762742.

Adding to 164034436 its reverse (634430461), we get a palindrome (798464897).

The spelling of 164034436 in words is "one hundred sixty-four million, thirty-four thousand, four hundred thirty-six".