16667000000001 has 12 divisors (see below), whose sum is σ = 25926444444628. Its totient is φ = 10256615384544.

The previous prime is 16666999999967. The next prime is 16667000000011. The reversal of 16667000000001 is 10000000076661.

It can be written as a sum of positive squares in 2 ways, for example, as 4840616019600 + 11826383980401 = 2200140^2 + 3438951^2 .

It is a de Polignac number, because none of the positive numbers 2^k-16667000000001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16667000000011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71226495610 + ... + 71226495843.

Almost surely, 2^{16667000000001} is an apocalyptic number.

It is an amenable number.

16667000000001 is a deficient number, since it is larger than the sum of its proper divisors (9259444444627).

16667000000001 is a wasteful number, since it uses less digits than its factorization.

16667000000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142452991472 (or 142452991469 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

Adding to 16667000000001 its reverse (10000000076661), we get a palindrome (26667000076662).

The spelling of 16667000000001 in words is "sixteen trillion, six hundred sixty-seven billion, one", and thus it is an aban number.