6661330026626 has 32 divisors (see below), whose sum is σ = 11163530524608. Its totient is φ = 2954896035840.

The previous prime is 6661330026599. The next prime is 6661330026713. The reversal of 6661330026626 is 6266200331666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1962851 + ... + 4144326.

It is an arithmetic number, because the mean of its divisors is an integer number (348860328894).

Almost surely, 2^{6661330026626} is an apocalyptic number.

6661330026626 is a deficient number, since it is larger than the sum of its proper divisors (4502200497982).

6661330026626 is a wasteful number, since it uses less digits than its factorization.

6661330026626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6108386.

The product of its (nonzero) digits is 1679616, while the sum is 47.

The spelling of 6661330026626 in words is "six trillion, six hundred sixty-one billion, three hundred thirty million, twenty-six thousand, six hundred twenty-six".