216444152353 has 8 divisors (see below), whose sum is σ = 254284039296. Its totient is φ = 181631456400.

The previous prime is 216444152333. The next prime is 216444152381. The reversal of 216444152353 is 353251444612.

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

It is a cyclic number.

It is not a de Polignac number, because 216444152353 - 2⁵ = 216444152321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (216444152333) 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, 756797593 + ... + 756797878.

It is an arithmetic number, because the mean of its divisors is an integer number (31785504912).

Almost surely, 2^216444152353 is an apocalyptic number.

It is an amenable number.

216444152353 is a deficient number, since it is larger than the sum of its proper divisors (37839886943).

216444152353 is a wasteful number, since it uses less digits than its factorization.

216444152353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1513595495.

The product of its digits is 345600, while the sum is 40.

Adding to 216444152353 its reverse (353251444612), we get a palindrome (569695596965).

The spelling of 216444152353 in words is "two hundred sixteen billion, four hundred forty-four million, one hundred fifty-two thousand, three hundred fifty-three".