164031330 has 16 divisors (see below), whose sum is σ = 393675264. Its totient is φ = 43741680.

The previous prime is 164031319. The next prime is 164031341. The reversal of 164031330 is 33130461.

It is an interprime number because it is at equal distance from previous prime (164031319) and next prime (164031341).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 164031297 and 164031306.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2733826 + ... + 2733885.

It is an arithmetic number, because the mean of its divisors is an integer number (24604704).

Almost surely, 2^164031330 is an apocalyptic number.

164031330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164031330 is an abundant number, since it is smaller than the sum of its proper divisors (229643934).

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

164031330 is a wasteful number, since it uses less digits than its factorization.

164031330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5467721.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 164031330 is about 12807.4716474408. The cubic root of 164031330 is about 547.4052211825.

Adding to 164031330 its reverse (33130461), we get a palindrome (197161791).

The spelling of 164031330 in words is "one hundred sixty-four million, thirty-one thousand, three hundred thirty".