2660686858222 has 32 divisors (see below), whose sum is σ = 4175849044224. Its totient is φ = 1269054072000.

The previous prime is 2660686858211. The next prime is 2660686858241. The reversal of 2660686858222 is 2228586860662.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38654697 + ... + 38723467.

It is an arithmetic number, because the mean of its divisors is an integer number (130495282632).

Almost surely, 2^{2660686858222} is an apocalyptic number.

2660686858222 is a deficient number, since it is larger than the sum of its proper divisors (1515162186002).

2660686858222 is a wasteful number, since it uses less digits than its factorization.

2660686858222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71064.

The product of its (nonzero) digits is 53084160, while the sum is 61.

The spelling of 2660686858222 in words is "two trillion, six hundred sixty billion, six hundred eighty-six million, eight hundred fifty-eight thousand, two hundred twenty-two".