16442621502117 has 16 divisors (see below), whose sum is σ = 22018971786240. Its totient is φ = 10914028070400.

The previous prime is 16442621502079. The next prime is 16442621502217. The reversal of 16442621502117 is 71120512624461.

16442621502117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16442621502117 - 2¹⁴ = 16442621485733 is a prime.

It is a super-3 number, since 3×16442621502117³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16442621502217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1208892 + ... + 5860602.

It is an arithmetic number, because the mean of its divisors is an integer number (1376185736640).

Almost surely, 2^{16442621502117} is an apocalyptic number.

It is an amenable number.

16442621502117 is a deficient number, since it is larger than the sum of its proper divisors (5576350284123).

16442621502117 is a wasteful number, since it uses less digits than its factorization.

16442621502117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4656844.

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 16442621502117 in words is "sixteen trillion, four hundred forty-two billion, six hundred twenty-one million, five hundred two thousand, one hundred seventeen".