2666668000016 has 20 divisors (see below), whose sum is σ = 5166697571724. Its totient is φ = 1333326691200.

The previous prime is 2666667999967. The next prime is 2666668000021. The reversal of 2666668000016 is 6100008666662.

It can be written as a sum of positive squares in 2 ways, for example, as 314137830400 + 2352530169616 = 560480^2 + 1533796^2 .

It is a super-2 number, since 2×2666668000016² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3698906 + ... + 4360646.

Almost surely, 2^{2666668000016} is an apocalyptic number.

It is an amenable number.

2666668000016 is a deficient number, since it is larger than the sum of its proper divisors (2500029571708).

2666668000016 is a wasteful number, since it uses less digits than its factorization.

2666668000016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913610 (or 913604 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 47.

The spelling of 2666668000016 in words is "two trillion, six hundred sixty-six billion, six hundred sixty-eight million, sixteen", and thus it is an aban number.