164272280 has 16 divisors (see below), whose sum is σ = 369612720. Its totient is φ = 65708896.

The previous prime is 164272259. The next prime is 164272289. The reversal of 164272280 is 82272461.

164272280 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 not an unprimeable number, because it can be changed into a prime (164272289) 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, 2053364 + ... + 2053443.

It is an arithmetic number, because the mean of its divisors is an integer number (23100795).

Almost surely, 2^164272280 is an apocalyptic number.

164272280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164272280 is an abundant number, since it is smaller than the sum of its proper divisors (205340440).

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

164272280 is a wasteful number, since it uses less digits than its factorization.

164272280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4106818 (or 4106814 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 164272280 is about 12816.8748140879. The cubic root of 164272280 is about 547.6731227641.

The spelling of 164272280 in words is "one hundred sixty-four million, two hundred seventy-two thousand, two hundred eighty".