216244236120063 has 4 divisors (see below), whose sum is σ = 288325648160088. Its totient is φ = 144162824080040.

The previous prime is 216244236120053. The next prime is 216244236120079. The reversal of 216244236120063 is 360021632442612.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 216244236120063 - 2¹² = 216244236115967 is a prime.

It is a super-2 number, since 2×216244236120063² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 216244236119997 and 216244236120024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216244236120023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36040706020008 + ... + 36040706020013.

It is an arithmetic number, because the mean of its divisors is an integer number (72081412040022).

Almost surely, 2^{216244236120063} is an apocalyptic number.

216244236120063 is a deficient number, since it is larger than the sum of its proper divisors (72081412040025).

216244236120063 is an equidigital number, since it uses as much as digits as its factorization.

216244236120063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72081412040024.

The product of its (nonzero) digits is 497664, while the sum is 42.

Adding to 216244236120063 its reverse (360021632442612), we get a palindrome (576265868562675).

The spelling of 216244236120063 in words is "two hundred sixteen trillion, two hundred forty-four billion, two hundred thirty-six million, one hundred twenty thousand, sixty-three".