164020312 has 16 divisors (see below), whose sum is σ = 323724600. Its totient is φ = 77693760.

The previous prime is 164020309. The next prime is 164020313. The reversal of 164020312 is 213020461.

164020312 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 164020312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164020313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 539389 + ... + 539692.

Almost surely, 2^164020312 is an apocalyptic number.

It is an amenable number.

164020312 is a deficient number, since it is larger than the sum of its proper divisors (159704288).

164020312 is a wasteful number, since it uses less digits than its factorization.

164020312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079106 (or 1079102 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 164020312 is about 12807.0415006745. The cubic root of 164020312 is about 547.3929644878.

Adding to 164020312 its reverse (213020461), we get a palindrome (377040773).

It can be divided in two parts, 1640 and 20312, that added together give a cube (21952 = 28³).

The spelling of 164020312 in words is "one hundred sixty-four million, twenty thousand, three hundred twelve".