16616408104 has 32 divisors (see below), whose sum is σ = 31545249120. Its totient is φ = 8204431936.

The previous prime is 16616408063. The next prime is 16616408161. The reversal of 16616408104 is 40180461661.

It is a super-2 number, since 2×16616408104² (a number of 21 digits) contains 22 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, 2043054 + ... + 2051170.

It is an arithmetic number, because the mean of its divisors is an integer number (985789035).

Almost surely, 2^16616408104 is an apocalyptic number.

It is an amenable number.

16616408104 is a deficient number, since it is larger than the sum of its proper divisors (14928841016).

16616408104 is a wasteful number, since it uses less digits than its factorization.

16616408104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11289 (or 11285 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

Adding to 16616408104 its reverse (40180461661), we get a palindrome (56796869765).

The spelling of 16616408104 in words is "sixteen billion, six hundred sixteen million, four hundred eight thousand, one hundred four".