216164033 has 4 divisors (see below), whose sum is σ = 217866240. Its totient is φ = 214461828.

The previous prime is 216164021. The next prime is 216164071. The reversal of 216164033 is 330461612.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 216164033 - 2⁸ = 216163777 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 216163993 and 216164011.

It is not an unprimeable number, because it can be changed into a prime (216164093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 850913 + ... + 851166.

It is an arithmetic number, because the mean of its divisors is an integer number (54466560).

Almost surely, 2^216164033 is an apocalyptic number.

It is an amenable number.

216164033 is a deficient number, since it is larger than the sum of its proper divisors (1702207).

216164033 is a wasteful number, since it uses less digits than its factorization.

216164033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702206.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 216164033 is about 14702.5179136092. The cubic root of 216164033 is about 600.1518439765.

The spelling of 216164033 in words is "two hundred sixteen million, one hundred sixty-four thousand, thirty-three".