266667766662 has 32 divisors (see below), whose sum is σ = 582216321024. Its totient is φ = 80753450400.

The previous prime is 266667766597. The next prime is 266667766693.

266667766662 is nontrivially palindromic in base 10.

266667766662 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×266667766662² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a junction number, because it is equal to n+sod(n) for n = 266667766593 and 266667766602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1276273 + ... + 1470444.

It is an arithmetic number, because the mean of its divisors is an integer number (18194260032).

Almost surely, 2^266667766662 is an apocalyptic number.

266667766662 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

266667766662 is an abundant number, since it is smaller than the sum of its proper divisors (315548554362).

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

266667766662 is a wasteful number, since it uses less digits than its factorization.

266667766662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2748204.

The product of its digits is 329204736, while the sum is 66.

The spelling of 266667766662 in words is "two hundred sixty-six billion, six hundred sixty-seven million, seven hundred sixty-six thousand, six hundred sixty-two".