266105353660 has 12 divisors (see below), whose sum is σ = 558821242728. Its totient is φ = 106442141456.

The previous prime is 266105353643. The next prime is 266105353663. The reversal of 266105353660 is 66353501662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266105353663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6652633822 + ... + 6652633861.

It is an arithmetic number, because the mean of its divisors is an integer number (46568436894).

Almost surely, 2^266105353660 is an apocalyptic number.

266105353660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266105353660 is an abundant number, since it is smaller than the sum of its proper divisors (292715889068).

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

266105353660 is a wasteful number, since it uses less digits than its factorization.

266105353660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13305267692 (or 13305267690 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 43.

The spelling of 266105353660 in words is "two hundred sixty-six billion, one hundred five million, three hundred fifty-three thousand, six hundred sixty".