339666999336666 has 48 divisors (see below), whose sum is σ = 767944519467840. Its totient is φ = 108299377824000.

The previous prime is 339666999336629. The next prime is 339666999336727. The reversal of 339666999336666 is 666633999666933.

339666999336666 is a nontrivial binomial coefficient, being equal to C(26064037, 2).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 299169805 + ... + 300303023.

It is an arithmetic number, because the mean of its divisors is an integer number (15998844155580).

Almost surely, 2^{339666999336666} is an apocalyptic number.

339666999336666 is the 26064036-th triangular number.

339666999336666 is an abundant number, since it is smaller than the sum of its proper divisors (428277520131174).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

339666999336666 is a wasteful number, since it uses less digits than its factorization.

339666999336666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1857251 (or 1857248 counting only the distinct ones).

The product of its digits is 148769467776, while the sum is 90.

The spelling of 339666999336666 in words is "three hundred thirty-nine trillion, six hundred sixty-six billion, nine hundred ninety-nine million, three hundred thirty-six thousand, six hundred sixty-six".