164231400 has 48 divisors (see below), whose sum is σ = 509119200. Its totient is φ = 43794880.

The previous prime is 164231387. The next prime is 164231401. The reversal of 164231400 is 4132461.

It is not an unprimeable number, because it can be changed into a prime (164231401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136260 + ... + 137459.

It is an arithmetic number, because the mean of its divisors is an integer number (10606650).

Almost surely, 2^164231400 is an apocalyptic number.

164231400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164231400 is an abundant number, since it is smaller than the sum of its proper divisors (344887800).

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

164231400 is a wasteful number, since it uses less digits than its factorization.

164231400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273738 (or 273729 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 164231400 is about 12815.2799423189. The cubic root of 164231400 is about 547.6276885725.

Adding to 164231400 its reverse (4132461), we get a palindrome (168363861).

The spelling of 164231400 in words is "one hundred sixty-four million, two hundred thirty-one thousand, four hundred".