266994499662 has 48 divisors (see below), whose sum is σ = 631130151600. Its totient is φ = 80900726400.

The previous prime is 266994499643. The next prime is 266994499687.

266994499662 is a `hidden beast` number, since 2 + 6 + 6 + 99 + 449 + 96 + 6 + 2 = 666.

266994499662 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×266994499662² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2679714 + ... + 2777562.

It is an arithmetic number, because the mean of its divisors is an integer number (13148544825).

Almost surely, 2^266994499662 is an apocalyptic number.

266994499662 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

266994499662 is an abundant number, since it is smaller than the sum of its proper divisors (364135651938).

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

266994499662 is a wasteful number, since it uses less digits than its factorization.

266994499662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111649 (or 111646 counting only the distinct ones).

The product of its digits is 544195584, while the sum is 72.

The spelling of 266994499662 in words is "two hundred sixty-six billion, nine hundred ninety-four million, four hundred ninety-nine thousand, six hundred sixty-two".