164407812 has 12 divisors (see below), whose sum is σ = 383618256. Its totient is φ = 54802600.

The previous prime is 164407801. The next prime is 164407889. The reversal of 164407812 is 218704461.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×164407812³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

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, 6850314 + ... + 6850337.

It is an arithmetic number, because the mean of its divisors is an integer number (31968188).

Almost surely, 2^164407812 is an apocalyptic number.

164407812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

164407812 is an abundant number, since it is smaller than the sum of its proper divisors (219210444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164407812 is a wasteful number, since it uses less digits than its factorization.

164407812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13700658 (or 13700656 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 164407812 is about 12822.1609723166. The cubic root of 164407812 is about 547.8236996588.

The spelling of 164407812 in words is "one hundred sixty-four million, four hundred seven thousand, eight hundred twelve".