164190012 has 96 divisors (see below), whose sum is σ = 478679040. Its totient is φ = 42716160.

The previous prime is 164190007. The next prime is 164190041. The reversal of 164190012 is 210091461.

164190012 is digitally balanced in base 3, because in such base 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 31 ways as a sum of consecutive naturals, for example, 42414 + ... + 46122.

It is an arithmetic number, because the mean of its divisors is an integer number (4986240).

Almost surely, 2^164190012 is an apocalyptic number.

164190012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164190012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239339520).

164190012 is an abundant number, since it is smaller than the sum of its proper divisors (314489028).

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

164190012 is a wasteful number, since it uses less digits than its factorization.

164190012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3771 (or 3769 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 164190012 is about 12813.6650494696. The cubic root of 164190012 is about 547.5816821064.

The spelling of 164190012 in words is "one hundred sixty-four million, one hundred ninety thousand, twelve".