216324161026433 has 4 divisors (see below), whose sum is σ = 216324225413568. Its totient is φ = 216324096639300.

The previous prime is 216324161026403. The next prime is 216324161026469. The reversal of 216324161026433 is 334620161423612.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 216324161026433 - 2¹⁰ = 216324161025409 is a prime.

It is a super-2 number, since 2×216324161026433² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (216324161026403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26859341 + ... + 33971642.

It is an arithmetic number, because the mean of its divisors is an integer number (54081056353392).

Almost surely, 2^{216324161026433} is an apocalyptic number.

It is an amenable number.

216324161026433 is a deficient number, since it is larger than the sum of its proper divisors (64387135).

216324161026433 is an equidigital number, since it uses as much as digits as its factorization.

216324161026433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64387134.

The product of its (nonzero) digits is 746496, while the sum is 44.

The spelling of 216324161026433 in words is "two hundred sixteen trillion, three hundred twenty-four billion, one hundred sixty-one million, twenty-six thousand, four hundred thirty-three".