662849948266 has 12 divisors (see below), whose sum is σ = 1092880700226. Its totient is φ = 301295430920.

The previous prime is 662849948261. The next prime is 662849948297.

662849948266 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 473246309041 + 189603639225 = 687929^2 + 435435^2 .

It is a junction number, because it is equal to n+sod(n) for n = 662849948195 and 662849948204.

It is not an unprimeable number, because it can be changed into a prime (662849948261) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1369524445 + ... + 1369524928.

Almost surely, 2^662849948266 is an apocalyptic number.

662849948266 is a deficient number, since it is larger than the sum of its proper divisors (430030751960).

662849948266 is a wasteful number, since it uses less digits than its factorization.

662849948266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2739049397 (or 2739049386 counting only the distinct ones).

The product of its digits is 429981696, while the sum is 70.

The spelling of 662849948266 in words is "six hundred sixty-two billion, eight hundred forty-nine million, nine hundred forty-eight thousand, two hundred sixty-six".