7123800866266 has 16 divisors (see below), whose sum is σ = 12256317536256. Its totient is φ = 3042035644176.

The previous prime is 7123800866227. The next prime is 7123800866279. The reversal of 7123800866266 is 6626680083217.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 918485146 + ... + 918492901.

It is an arithmetic number, because the mean of its divisors is an integer number (766019846016).

Almost surely, 2^{7123800866266} is an apocalyptic number.

7123800866266 is a deficient number, since it is larger than the sum of its proper divisors (5132516669990).

7123800866266 is a wasteful number, since it uses less digits than its factorization.

7123800866266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1836978333.

The product of its (nonzero) digits is 6967296, while the sum is 55.

The spelling of 7123800866266 in words is "seven trillion, one hundred twenty-three billion, eight hundred million, eight hundred sixty-six thousand, two hundred sixty-six".