16221206600616 has 32 divisors (see below), whose sum is σ = 40932016662240. Its totient is φ = 5356535512128.

The previous prime is 16221206600587. The next prime is 16221206600653. The reversal of 16221206600616 is 61600660212261.

It is a super-4 number, since 4×16221206600616⁴ (a number of 54 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3158332051 + ... + 3158337186.

It is an arithmetic number, because the mean of its divisors is an integer number (1279125520695).

Almost surely, 2^{16221206600616} is an apocalyptic number.

It is an amenable number.

16221206600616 is an abundant number, since it is smaller than the sum of its proper divisors (24710810061624).

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

16221206600616 is a wasteful number, since it uses less digits than its factorization.

16221206600616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6316669353 (or 6316669349 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

Adding to 16221206600616 its reverse (61600660212261), we get a palindrome (77821866812877).

The spelling of 16221206600616 in words is "sixteen trillion, two hundred twenty-one billion, two hundred six million, six hundred thousand, six hundred sixteen".