16442621200616 has 64 divisors (see below), whose sum is σ = 33354154453200. Its totient is φ = 7554012825600.

The previous prime is 16442621200559. The next prime is 16442621200619. The reversal of 16442621200616 is 61600212624461.

It can be written as a sum of positive squares in 8 ways, for example, as 13666552048900 + 2776069151716 = 3696830^2 + 1666154^2 .

It is a super-3 number, since 3×16442621200616³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (16442621200619) 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, 105689126 + ... + 105844586.

Almost surely, 2^{16442621200616} is an apocalyptic number.

It is an amenable number.

16442621200616 is an abundant number, since it is smaller than the sum of its proper divisors (16911533252584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16442621200616 is a wasteful number, since it uses less digits than its factorization.

16442621200616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160150 (or 160146 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 41.

The spelling of 16442621200616 in words is "sixteen trillion, four hundred forty-two billion, six hundred twenty-one million, two hundred thousand, six hundred sixteen".