43216644661233 has 8 divisors (see below), whose sum is σ = 57622590028608. Its totient is φ = 28810897867344.

The previous prime is 43216644661147. The next prime is 43216644661297. The reversal of 43216644661233 is 33216644661234.

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

It is not a de Polignac number, because 43216644661233 - 2¹⁷ = 43216644530161 is a prime.

It is a super-2 number, since 2×43216644661233² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43216644661133) 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, 49134810 + ... + 50006627.

It is an arithmetic number, because the mean of its divisors is an integer number (7202823753576).

Almost surely, 2^{43216644661233} is an apocalyptic number.

It is an amenable number.

43216644661233 is a deficient number, since it is larger than the sum of its proper divisors (14405945367375).

43216644661233 is a wasteful number, since it uses less digits than its factorization.

43216644661233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99286743.

The product of its digits is 8957952, while the sum is 51.

Subtracting from 43216644661233 its reverse (33216644661234), we obtain a palindrome (9999999999999).

The spelling of 43216644661233 in words is "forty-three trillion, two hundred sixteen billion, six hundred forty-four million, six hundred sixty-one thousand, two hundred thirty-three".