164201216 has 18 divisors (see below), whose sum is σ = 327761532. Its totient is φ = 82100480.

The previous prime is 164201207. The next prime is 164201231. The reversal of 164201216 is 612102461.

It is a junction number, because it is equal to n+sod(n) for n = 164201191 and 164201200.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 320450 + ... + 320961.

It is an arithmetic number, because the mean of its divisors is an integer number (18208974).

Almost surely, 2^164201216 is an apocalyptic number.

164201216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

164201216 is a deficient number, since it is larger than the sum of its proper divisors (163560316).

164201216 is an frugal number, since it uses more digits than its factorization.

164201216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641427 (or 641413 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 164201216 is about 12814.1022315260. The cubic root of 164201216 is about 547.5941371183.

Adding to 164201216 its reverse (612102461), we get a palindrome (776303677).

The spelling of 164201216 in words is "one hundred sixty-four million, two hundred one thousand, two hundred sixteen".