164386012 has 18 divisors (see below), whose sum is σ = 328907768. Its totient is φ = 70422072.

The previous prime is 164386009. The next prime is 164386021. The reversal of 164386012 is 210683461.

It is a happy number.

164386012 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66633 + ... + 69055.

Almost surely, 2^164386012 is an apocalyptic number.

It is an amenable number.

164386012 is an abundant number, since it is smaller than the sum of its proper divisors (164521756).

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

164386012 is an frugal number, since it uses more digits than its factorization.

164386012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4857 (or 2432 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 164386012 is about 12821.3108534190. The cubic root of 164386012 is about 547.7994853095.

The spelling of 164386012 in words is "one hundred sixty-four million, three hundred eighty-six thousand, twelve".