16556025705441 has 8 divisors (see below), whose sum is σ = 22086240258720. Its totient is φ = 11031580811232.

The previous prime is 16556025705353. The next prime is 16556025705463. The reversal of 16556025705441 is 14450752065561.

16556025705441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 16556025705441 - 2²² = 16556021511137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16556025005441) 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, 1442408071 + ... + 1442419548.

It is an arithmetic number, because the mean of its divisors is an integer number (2760780032340).

Almost surely, 2^{16556025705441} is an apocalyptic number.

It is an amenable number.

16556025705441 is a deficient number, since it is larger than the sum of its proper divisors (5530214553279).

16556025705441 is a wasteful number, since it uses less digits than its factorization.

16556025705441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2884829535.

The product of its (nonzero) digits is 5040000, while the sum is 51.

The spelling of 16556025705441 in words is "sixteen trillion, five hundred fifty-six billion, twenty-five million, seven hundred five thousand, four hundred forty-one".