16441421016 has 64 divisors (see below), whose sum is σ = 43228569600. Its totient is φ = 5200892928.

The previous prime is 16441420999. The next prime is 16441421063. The reversal of 16441421016 is 61012414461.

It is a super-3 number, since 3×16441421016³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47161 + ... + 187368.

It is an arithmetic number, because the mean of its divisors is an integer number (675446400).

Almost surely, 2^16441421016 is an apocalyptic number.

It is an amenable number.

16441421016 is an abundant number, since it is smaller than the sum of its proper divisors (26787148584).

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

16441421016 is a wasteful number, since it uses less digits than its factorization.

16441421016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234688 (or 234684 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

Adding to 16441421016 its reverse (61012414461), we get a palindrome (77453835477).

The spelling of 16441421016 in words is "sixteen billion, four hundred forty-one million, four hundred twenty-one thousand, sixteen".