216446341045 has 8 divisors (see below), whose sum is σ = 283347937440. Its totient is φ = 157415520720.

The previous prime is 216446341037. The next prime is 216446341049. The reversal of 216446341045 is 540143644612.

It is a happy number.

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

It is not a de Polignac number, because 216446341045 - 2³ = 216446341037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 216446340989 and 216446341007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216446341049) 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, 1967693955 + ... + 1967694064.

It is an arithmetic number, because the mean of its divisors is an integer number (35418492180).

Almost surely, 2^216446341045 is an apocalyptic number.

It is an amenable number.

216446341045 is a deficient number, since it is larger than the sum of its proper divisors (66901596395).

216446341045 is a wasteful number, since it uses less digits than its factorization.

216446341045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3935388035.

The product of its (nonzero) digits is 276480, while the sum is 40.

Adding to 216446341045 its reverse (540143644612), we get a palindrome (756589985657).

The spelling of 216446341045 in words is "two hundred sixteen billion, four hundred forty-six million, three hundred forty-one thousand, forty-five".