2064543272136 has 48 divisors (see below), whose sum is σ = 5594743475100. Its totient is φ = 687778369152.

The previous prime is 2064543272111. The next prime is 2064543272171. The reversal of 2064543272136 is 6312723454602.

2064543272136 is a `hidden beast` number, since 2 + 0 + 6 + 4 + 543 + 2 + 72 + 1 + 36 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1652494824036 + 412048448100 = 1285494^2 + 641910^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2064543272091 and 2064543272100.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8266131 + ... + 8512226.

Almost surely, 2^{2064543272136} is an apocalyptic number.

It is an amenable number.

2064543272136 is an abundant number, since it is smaller than the sum of its proper divisors (3530200202964).

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

2064543272136 is a wasteful number, since it uses less digits than its factorization.

2064543272136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16780078 (or 16780071 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 45.

The spelling of 2064543272136 in words is "two trillion, sixty-four billion, five hundred forty-three million, two hundred seventy-two thousand, one hundred thirty-six".