126043336666 has 64 divisors (see below), whose sum is σ = 218889216000. Its totient is φ = 53989689600.

The previous prime is 126043336609. The next prime is 126043336703. The reversal of 126043336666 is 666633340621.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3464631 + ... + 3500821.

It is an arithmetic number, because the mean of its divisors is an integer number (3420144000).

Almost surely, 2^126043336666 is an apocalyptic number.

126043336666 is a deficient number, since it is larger than the sum of its proper divisors (92845879334).

126043336666 is a wasteful number, since it uses less digits than its factorization.

126043336666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36415.

The product of its (nonzero) digits is 1679616, while the sum is 46.

The spelling of 126043336666 in words is "one hundred twenty-six billion, forty-three million, three hundred thirty-six thousand, six hundred sixty-six".