2666670336999 has 32 divisors (see below), whose sum is σ = 3957961380800. Its totient is φ = 1774480711680.

The previous prime is 2666670336977. The next prime is 2666670337039. The reversal of 2666670336999 is 9996330766662.

It is not a de Polignac number, because 2666670336999 - 2⁹ = 2666670336487 is a prime.

It is a super-2 number, since 2×2666670336999² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2666670336929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34254279 + ... + 34332039.

It is an arithmetic number, because the mean of its divisors is an integer number (123686293150).

Almost surely, 2^{2666670336999} is an apocalyptic number.

2666670336999 is a deficient number, since it is larger than the sum of its proper divisors (1291291043801).

2666670336999 is a wasteful number, since it uses less digits than its factorization.

2666670336999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80112 (or 80106 counting only the distinct ones).

The product of its (nonzero) digits is 714256704, while the sum is 72.

The spelling of 2666670336999 in words is "two trillion, six hundred sixty-six billion, six hundred seventy million, three hundred thirty-six thousand, nine hundred ninety-nine".