266280646082662 has 16 divisors (see below), whose sum is σ = 400258349890560. Its totient is φ = 132861201004168.

The previous prime is 266280646082621. The next prime is 266280646082669.

It is a happy number.

266280646082662 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×266280646082662² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 266280646082594 and 266280646082603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266280646082669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113498973 + ... + 115821319.

It is an arithmetic number, because the mean of its divisors is an integer number (25016146868160).

Almost surely, 2^{266280646082662} is an apocalyptic number.

266280646082662 is a deficient number, since it is larger than the sum of its proper divisors (133977703807898).

266280646082662 is a wasteful number, since it uses less digits than its factorization.

266280646082662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2442515.

The product of its (nonzero) digits is 191102976, while the sum is 64.

The spelling of 266280646082662 in words is "two hundred sixty-six trillion, two hundred eighty billion, six hundred forty-six million, eighty-two thousand, six hundred sixty-two".