16442621503711 has 16 divisors (see below), whose sum is σ = 18724466896128. Its totient is φ = 14329949126400.

The previous prime is 16442621503673. The next prime is 16442621503729. The reversal of 16442621503711 is 11730512624461.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16442621503711 is a prime.

It is a super-3 number, since 3×16442621503711³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16442621513711) 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, 497551156 + ... + 497584201.

It is an arithmetic number, because the mean of its divisors is an integer number (1170279181008).

Almost surely, 2^{16442621503711} is an apocalyptic number.

16442621503711 is a deficient number, since it is larger than the sum of its proper divisors (2281845392417).

16442621503711 is a wasteful number, since it uses less digits than its factorization.

16442621503711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995135442.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 16442621503711 in words is "sixteen trillion, four hundred forty-two billion, six hundred twenty-one million, five hundred three thousand, seven hundred eleven".