16665620183011 has 16 divisors (see below), whose sum is σ = 17550561600000. Its totient is φ = 15781460829696.

The previous prime is 16665620182979. The next prime is 16665620183029. The reversal of 16665620183011 is 11038102656661.

It is a cyclic number.

It is not a de Polignac number, because 16665620183011 - 2⁵ = 16665620182979 is a prime.

It is a super-2 number, since 2×16665620183011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16665620163011) 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, 439950970 + ... + 439988848.

It is an arithmetic number, because the mean of its divisors is an integer number (1096910100000).

Almost surely, 2^{16665620183011} is an apocalyptic number.

16665620183011 is a deficient number, since it is larger than the sum of its proper divisors (884941416989).

16665620183011 is a wasteful number, since it uses less digits than its factorization.

16665620183011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47586.

The product of its (nonzero) digits is 311040, while the sum is 46.

The spelling of 16665620183011 in words is "sixteen trillion, six hundred sixty-five billion, six hundred twenty million, one hundred eighty-three thousand, eleven".