16160566666665 has 16 divisors (see below), whose sum is σ = 25871931058176. Its totient is φ = 8613960758400.

The previous prime is 16160566666663. The next prime is 16160566666697. The reversal of 16160566666665 is 56666666506161.

It is a happy number.

It is not a de Polignac number, because 16160566666665 - 2¹ = 16160566666663 is a prime.

It is a super-2 number, since 2×16160566666665² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16160566666596 and 16160566666605.

It is not an unprimeable number, because it can be changed into a prime (16160566666663) 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, 312981481 + ... + 313033110.

It is an arithmetic number, because the mean of its divisors is an integer number (1616995691136).

Almost surely, 2^{16160566666665} is an apocalyptic number.

16160566666665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16160566666665 is a deficient number, since it is larger than the sum of its proper divisors (9711364391511).

16160566666665 is a wasteful number, since it uses less digits than its factorization.

16160566666665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626016320.

The product of its (nonzero) digits is 251942400, while the sum is 66.

The spelling of 16160566666665 in words is "sixteen trillion, one hundred sixty billion, five hundred sixty-six million, six hundred sixty-six thousand, six hundred sixty-five".