164328012 has 18 divisors (see below), whose sum is σ = 415384788. Its totient is φ = 54775992.

The previous prime is 164328011. The next prime is 164328013. The reversal of 164328012 is 210823461.

164328012 is a `hidden beast` number, since 1 + 643 + 2 + 8 + 0 + 12 = 666.

164328012 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 an interprime number because it is at equal distance from previous prime (164328011) and next prime (164328013).

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (164328011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2282298 + ... + 2282369.

Almost surely, 2^164328012 is an apocalyptic number.

164328012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

164328012 is an abundant number, since it is smaller than the sum of its proper divisors (251056776).

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

164328012 is a wasteful number, since it uses less digits than its factorization.

164328012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4564677 (or 4564672 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 164328012 is about 12819.0487946649. The cubic root of 164328012 is about 547.7350513851.

The spelling of 164328012 in words is "one hundred sixty-four million, three hundred twenty-eight thousand, twelve".