2668820288662 has 24 divisors (see below), whose sum is σ = 4400430800976. Its totient is φ = 1213048914000.

The previous prime is 2668820288633. The next prime is 2668820288669.

2668820288662 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 2668820288594 and 2668820288603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2668820288669) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5837212 + ... + 6277792.

It is an arithmetic number, because the mean of its divisors is an integer number (183351283374).

Almost surely, 2^{2668820288662} is an apocalyptic number.

2668820288662 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2668820288662 is a deficient number, since it is larger than the sum of its proper divisors (1731610512314).

2668820288662 is a wasteful number, since it uses less digits than its factorization.

2668820288662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465636 (or 465625 counting only the distinct ones).

The product of its (nonzero) digits is 84934656, while the sum is 64.

The spelling of 2668820288662 in words is "two trillion, six hundred sixty-eight billion, eight hundred twenty million, two hundred eighty-eight thousand, six hundred sixty-two".