266853358662 has 64 divisors (see below), whose sum is σ = 588839217408. Its totient is φ = 79948400000.

The previous prime is 266853358649. The next prime is 266853358687.

266853358662 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 266853358596 and 266853358605.

It is a congruent number.

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, 4644313 + ... + 4701419.

It is an arithmetic number, because the mean of its divisors is an integer number (9200612772).

Almost surely, 2^266853358662 is an apocalyptic number.

266853358662 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 266853358662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294419608704).

266853358662 is an abundant number, since it is smaller than the sum of its proper divisors (321985858746).

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

266853358662 is a wasteful number, since it uses less digits than its factorization.

266853358662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57925.

The product of its digits is 74649600, while the sum is 60.

The spelling of 266853358662 in words is "two hundred sixty-six billion, eight hundred fifty-three million, three hundred fifty-eight thousand, six hundred sixty-two".