164281436 has 12 divisors (see below), whose sum is σ = 313628280. Its totient is φ = 74673360.

The previous prime is 164281423. The next prime is 164281471. The reversal of 164281436 is 634182461.

It is a junction number, because it is equal to n+sod(n) for n = 164281396 and 164281405.

It is a congruent number.

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, 1866791 + ... + 1866878.

It is an arithmetic number, because the mean of its divisors is an integer number (26135690).

Almost surely, 2^164281436 is an apocalyptic number.

It is an amenable number.

164281436 is a deficient number, since it is larger than the sum of its proper divisors (149346844).

164281436 is a wasteful number, since it uses less digits than its factorization.

164281436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3733684 (or 3733682 counting only the distinct ones).

The product of its digits is 27648, while the sum is 35.

The square root of 164281436 is about 12817.2319944674. The cubic root of 164281436 is about 547.6832977450.

The spelling of 164281436 in words is "one hundred sixty-four million, two hundred eighty-one thousand, four hundred thirty-six".