16441012516661 has 8 divisors (see below), whose sum is σ = 17418573720000. Its totient is φ = 15464611626688.

The previous prime is 16441012516651. The next prime is 16441012516681. The reversal of 16441012516661 is 16661521014461.

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

It is not a de Polignac number, because 16441012516661 - 2⁶ = 16441012516597 is a prime.

It is a super-3 number, since 3×16441012516661³ (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 (16441012516651) 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, 290049161 + ... + 290105838.

It is an arithmetic number, because the mean of its divisors is an integer number (2177321715000).

Almost surely, 2^{16441012516661} is an apocalyptic number.

It is an amenable number.

16441012516661 is a deficient number, since it is larger than the sum of its proper divisors (977561203339).

16441012516661 is a wasteful number, since it uses less digits than its factorization.

16441012516661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580156683.

The product of its (nonzero) digits is 207360, while the sum is 44.

The spelling of 16441012516661 in words is "sixteen trillion, four hundred forty-one billion, twelve million, five hundred sixteen thousand, six hundred sixty-one".