2680248013668 has 18 divisors (see below), whose sum is σ = 6775071367974. Its totient is φ = 893416004544.

The previous prime is 2680248013649. The next prime is 2680248013673. The reversal of 2680248013668 is 8663108420862.

2680248013668 is a `hidden beast` number, since 26 + 8 + 0 + 2 + 480 + 136 + 6 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2667891023424 + 12356990244 = 1633368^2 + 111162^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37225666821 + ... + 37225666892.

Almost surely, 2^{2680248013668} is an apocalyptic number.

It is an amenable number.

2680248013668 is an abundant number, since it is smaller than the sum of its proper divisors (4094823354306).

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

2680248013668 is a wasteful number, since it uses less digits than its factorization.

2680248013668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74451333723 (or 74451333718 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 54.

The spelling of 2680248013668 in words is "two trillion, six hundred eighty billion, two hundred forty-eight million, thirteen thousand, six hundred sixty-eight".