1056866014665 has 12 divisors (see below), whose sum is σ = 1831901092164. Its totient is φ = 563661874464.

The previous prime is 1056866014663. The next prime is 1056866014679. The reversal of 1056866014665 is 5664106686501.

1056866014665 is a `hidden beast` number, since 1 + 0 + 568 + 6 + 6 + 0 + 14 + 6 + 65 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 844355156544 + 212510858121 = 918888^2 + 460989^2 .

It is not a de Polignac number, because 1056866014665 - 2¹ = 1056866014663 is a prime.

It is a super-2 number, since 2×1056866014665² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1056866014663) 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, 11742955674 + ... + 11742955763.

It is an arithmetic number, because the mean of its divisors is an integer number (152658424347).

Almost surely, 2^{1056866014665} is an apocalyptic number.

1056866014665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1056866014665 is a deficient number, since it is larger than the sum of its proper divisors (775035077499).

1056866014665 is a wasteful number, since it uses less digits than its factorization.

1056866014665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23485911448 (or 23485911445 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 54.

The spelling of 1056866014665 in words is "one trillion, fifty-six billion, eight hundred sixty-six million, fourteen thousand, six hundred sixty-five".