416666666666667 has 4 divisors (see below), whose sum is σ = 555555555555560. Its totient is φ = 277777777777776.

The previous prime is 416666666666641. The next prime is 416666666666681. The reversal of 416666666666667 is 766666666666614.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 416666666666667 - 2⁷ = 416666666666539 is a prime.

It is a super-2 number, since 2×416666666666667² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 416666666666667.

It is not an unprimeable number, because it can be changed into a prime (416666666666687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69444444444442 + ... + 69444444444447.

It is an arithmetic number, because the mean of its divisors is an integer number (138888888888890).

Almost surely, 2^{416666666666667} is an apocalyptic number.

416666666666667 is a deficient number, since it is larger than the sum of its proper divisors (138888888888893).

416666666666667 is a wasteful number, since it uses less digits than its factorization.

416666666666667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138888888888892.

The product of its digits is 60949905408, while the sum is 84.

The spelling of 416666666666667 in words is "four hundred sixteen trillion, six hundred sixty-six billion, six hundred sixty-six million, six hundred sixty-six thousand, six hundred sixty-seven".