216323763 has 8 divisors (see below), whose sum is σ = 300972288. Its totient is φ = 137945544.

The previous prime is 216323753. The next prime is 216323777. The reversal of 216323763 is 367323612.

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

It is not a de Polignac number, because 216323763 - 2¹² = 216319667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (216323753) 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, 1567495 + ... + 1567632.

It is an arithmetic number, because the mean of its divisors is an integer number (37621536).

Almost surely, 2^216323763 is an apocalyptic number.

216323763 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

216323763 is a deficient number, since it is larger than the sum of its proper divisors (84648525).

216323763 is a wasteful number, since it uses less digits than its factorization.

216323763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3135153.

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

The square root of 216323763 is about 14707.9489732593. The cubic root of 216323763 is about 600.2996308995.

The spelling of 216323763 in words is "two hundred sixteen million, three hundred twenty-three thousand, seven hundred sixty-three".