10066655656563 has 32 divisors (see below), whose sum is σ = 14949939916800. Its totient is φ = 5973955769760.

The previous prime is 10066655656523. The next prime is 10066655656573. The reversal of 10066655656563 is 36565655666001.

It is a happy number.

It is not a de Polignac number, because 10066655656563 - 2¹⁷ = 10066655525491 is a prime.

It is a super-2 number, since 2×10066655656563² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10066655656497 and 10066655656506.

It is not an unprimeable number, because it can be changed into a prime (10066655656523) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13262463 + ... + 14000936.

It is an arithmetic number, because the mean of its divisors is an integer number (467185622400).

Almost surely, 2^{10066655656563} is an apocalyptic number.

10066655656563 is a deficient number, since it is larger than the sum of its proper divisors (4883284260237).

10066655656563 is a wasteful number, since it uses less digits than its factorization.

10066655656563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27263647.

The product of its (nonzero) digits is 87480000, while the sum is 60.

The spelling of 10066655656563 in words is "ten trillion, sixty-six billion, six hundred fifty-five million, six hundred fifty-six thousand, five hundred sixty-three".