164030172 has 12 divisors (see below), whose sum is σ = 382737096. Its totient is φ = 54676720.

The previous prime is 164030131. The next prime is 164030179. The reversal of 164030172 is 271030461.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164030179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6834579 + ... + 6834602.

It is an arithmetic number, because the mean of its divisors is an integer number (31894758).

Almost surely, 2^164030172 is an apocalyptic number.

164030172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

164030172 is an abundant number, since it is smaller than the sum of its proper divisors (218706924).

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

164030172 is a wasteful number, since it uses less digits than its factorization.

164030172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13669188 (or 13669186 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 164030172 is about 12807.4264393749. The cubic root of 164030172 is about 547.4039330206.

The spelling of 164030172 in words is "one hundred sixty-four million, thirty thousand, one hundred seventy-two".