216361679573424 has 160 divisors (see below), whose sum is σ = 710001376003584. Its totient is φ = 55137502218240.

The previous prime is 216361679573423. The next prime is 216361679573623. The reversal of 216361679573424 is 424375976163612.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is not an unprimeable number, because it can be changed into a prime (216361679573423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 552062749 + ... + 552454524.

Almost surely, 2^{216361679573424} is an apocalyptic number.

216361679573424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

216361679573424 is an abundant number, since it is smaller than the sum of its proper divisors (493639696430160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

216361679573424 is a wasteful number, since it uses less digits than its factorization.

216361679573424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104517355 (or 1104517349 counting only the distinct ones).

The product of its digits is 274337280, while the sum is 66.

The spelling of 216361679573424 in words is "two hundred sixteen trillion, three hundred sixty-one billion, six hundred seventy-nine million, five hundred seventy-three thousand, four hundred twenty-four".