16442615666411 has 16 divisors (see below), whose sum is σ = 18522751500288. Its totient is φ = 14460388953600.

The previous prime is 16442615666401. The next prime is 16442615666413. The reversal of 16442615666411 is 11466651624461.

16442615666411 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 16442615666411 - 2¹⁰ = 16442615665387 is a prime.

It is a super-3 number, since 3×16442615666411³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16442615666413) 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, 7818731 + ... + 9696276.

It is an arithmetic number, because the mean of its divisors is an integer number (1157671968768).

Almost surely, 2^{16442615666411} is an apocalyptic number.

16442615666411 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

16442615666411 is a deficient number, since it is larger than the sum of its proper divisors (2080135833877).

16442615666411 is a wasteful number, since it uses less digits than its factorization.

16442615666411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17517802.

The product of its digits is 4976640, while the sum is 53.

The spelling of 16442615666411 in words is "sixteen trillion, four hundred forty-two billion, six hundred fifteen million, six hundred sixty-six thousand, four hundred eleven".