10056005600666 has 16 divisors (see below), whose sum is σ = 15184693495464. Its totient is φ = 4994518523904.

The previous prime is 10056005600647. The next prime is 10056005600701. The reversal of 10056005600666 is 66600650065001.

It can be written as a sum of positive squares in 4 ways, for example, as 5952970496641 + 4103035104025 = 2439871^2 + 2025595^2 .

It is a super-2 number, since 2×10056005600666² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19095221 + ... + 19614776.

Almost surely, 2^{10056005600666} is an apocalyptic number.

10056005600666 is a deficient number, since it is larger than the sum of its proper divisors (5128687894798).

10056005600666 is a wasteful number, since it uses less digits than its factorization.

10056005600666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38710865.

The product of its (nonzero) digits is 194400, while the sum is 41.

Adding to 10056005600666 its reverse (66600650065001), we get a palindrome (76656655665667).

The spelling of 10056005600666 in words is "ten trillion, fifty-six billion, five million, six hundred thousand, six hundred sixty-six".