2108262145668 has 48 divisors (see below), whose sum is σ = 5633077752960. Its totient is φ = 601177181184.

The previous prime is 2108262145631. The next prime is 2108262145711. The reversal of 2108262145668 is 8665412628012.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2108262145668.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24611821 + ... + 24697332.

It is an arithmetic number, because the mean of its divisors is an integer number (117355786520).

Almost surely, 2^{2108262145668} is an apocalyptic number.

2108262145668 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2108262145668 is an abundant number, since it is smaller than the sum of its proper divisors (3524815607292).

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

2108262145668 is a wasteful number, since it uses less digits than its factorization.

2108262145668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49309676 (or 49309674 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 51.

The spelling of 2108262145668 in words is "two trillion, one hundred eight billion, two hundred sixty-two million, one hundred forty-five thousand, six hundred sixty-eight".