16556242105007 has 8 divisors (see below), whose sum is σ = 18061653788112. Its totient is φ = 15050880216000.

The previous prime is 16556242104971. The next prime is 16556242105019. The reversal of 16556242105007 is 70050124265561.

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

It is a cyclic number.

It is not a de Polignac number, because 16556242105007 - 2¹⁰ = 16556242103983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16556242105027) 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, 11751608 + ... + 13084829.

It is an arithmetic number, because the mean of its divisors is an integer number (2257706723514).

Almost surely, 2^{16556242105007} is an apocalyptic number.

16556242105007 is a deficient number, since it is larger than the sum of its proper divisors (1505411683105).

16556242105007 is a wasteful number, since it uses less digits than its factorization.

16556242105007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24897049.

The product of its (nonzero) digits is 504000, while the sum is 44.

The spelling of 16556242105007 in words is "sixteen trillion, five hundred fifty-six billion, two hundred forty-two million, one hundred five thousand, seven".