216233763 has 8 divisors (see below), whose sum is σ = 288413376. Its totient is φ = 144105000.

The previous prime is 216233753. The next prime is 216233779. The reversal of 216233763 is 367332612.

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

It is not a de Polignac number, because 216233763 - 2¹² = 216229667 is a prime.

It is a super-2 number, since 2×216233763² = 93514080522280338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (216233753) 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, 1333 + ... + 20838.

It is an arithmetic number, because the mean of its divisors is an integer number (36051672).

Almost surely, 2^216233763 is an apocalyptic number.

216233763 is a deficient number, since it is larger than the sum of its proper divisors (72179613).

216233763 is a wasteful number, since it uses less digits than its factorization.

216233763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25425.

The product of its digits is 27216, while the sum is 33.

The square root of 216233763 is about 14704.8890849268. The cubic root of 216233763 is about 600.2163691868.

The spelling of 216233763 in words is "two hundred sixteen million, two hundred thirty-three thousand, seven hundred sixty-three".