216053673 has 8 divisors (see below), whose sum is σ = 314259936. Its totient is φ = 130941600.

The previous prime is 216053659. The next prime is 216053681. The reversal of 216053673 is 376350612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 216053673 - 2⁸ = 216053417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 6547081 = 216053673 / (2 + 1 + 6 + 0 + 5 + 3 + 6 + 7 + 3).

It is not an unprimeable number, because it can be changed into a prime (216053603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3273508 + ... + 3273573.

It is an arithmetic number, because the mean of its divisors is an integer number (39282492).

Almost surely, 2^216053673 is an apocalyptic number.

It is an amenable number.

216053673 is a deficient number, since it is larger than the sum of its proper divisors (98206263).

216053673 is a wasteful number, since it uses less digits than its factorization.

216053673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6547095.

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 216053673 is about 14698.7643358209. The cubic root of 216053673 is about 600.0496931064.

The spelling of 216053673 in words is "two hundred sixteen million, fifty-three thousand, six hundred seventy-three".