216255983383 has 8 divisors (see below), whose sum is σ = 249793007760. Its totient is φ = 185031857280.

The previous prime is 216255983381. The next prime is 216255983401. The reversal of 216255983383 is 383389552612.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 216255983383 - 2¹ = 216255983381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216255983381) 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, 578224368 + ... + 578224741.

It is an arithmetic number, because the mean of its divisors is an integer number (31224125970).

Almost surely, 2^216255983383 is an apocalyptic number.

216255983383 is a deficient number, since it is larger than the sum of its proper divisors (33537024377).

216255983383 is a wasteful number, since it uses less digits than its factorization.

216255983383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156449137.

The product of its digits is 9331200, while the sum is 55.

The spelling of 216255983383 in words is "two hundred sixteen billion, two hundred fifty-five million, nine hundred eighty-three thousand, three hundred eighty-three".