16556022446536 has 16 divisors (see below), whose sum is σ = 31042843709040. Its totient is φ = 8277930790800.

The previous prime is 16556022446527. The next prime is 16556022446549. The reversal of 16556022446536 is 63564422065561.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9174726 + ... + 10829941.

It is an arithmetic number, because the mean of its divisors is an integer number (1940177731815).

Almost surely, 2^{16556022446536} is an apocalyptic number.

It is an amenable number.

16556022446536 is a deficient number, since it is larger than the sum of its proper divisors (14486821262504).

16556022446536 is a wasteful number, since it uses less digits than its factorization.

16556022446536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20108124 (or 20108120 counting only the distinct ones).

The product of its (nonzero) digits is 31104000, while the sum is 55.

The spelling of 16556022446536 in words is "sixteen trillion, five hundred fifty-six billion, twenty-two million, four hundred forty-six thousand, five hundred thirty-six".