2680134668136 has 32 divisors (see below), whose sum is σ = 7444818523200. Its totient is φ = 893378222640.

The previous prime is 2680134668119. The next prime is 2680134668137. The reversal of 2680134668136 is 6318664310862.

2680134668136 is a `hidden beast` number, since 2 + 68 + 0 + 13 + 466 + 81 + 36 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (2680134668137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6204015220 + ... + 6204015651.

It is an arithmetic number, because the mean of its divisors is an integer number (232650578850).

Almost surely, 2^{2680134668136} is an apocalyptic number.

It is an amenable number.

2680134668136 is an abundant number, since it is smaller than the sum of its proper divisors (4764683855064).

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

2680134668136 is a wasteful number, since it uses less digits than its factorization.

2680134668136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12408030886 (or 12408030876 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 54.

Adding to 2680134668136 its reverse (6318664310862), we get a palindrome (8998798978998).

The spelling of 2680134668136 in words is "two trillion, six hundred eighty billion, one hundred thirty-four million, six hundred sixty-eight thousand, one hundred thirty-six".