10665560506679 has 16 divisors (see below), whose sum is σ = 11778489203712. Its totient is φ = 9595406687328.

The previous prime is 10665560506663. The next prime is 10665560506747. The reversal of 10665560506679 is 97660506556601.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10665560506679 - 2⁴ = 10665560506663 is a prime.

It is a super-2 number, since 2×10665560506679² (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10665560506649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20345627 + ... + 20863260.

It is an arithmetic number, because the mean of its divisors is an integer number (736155575232).

Almost surely, 2^{10665560506679} is an apocalyptic number.

10665560506679 is a deficient number, since it is larger than the sum of its proper divisors (1112928697033).

10665560506679 is a wasteful number, since it uses less digits than its factorization.

10665560506679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41209406.

The product of its (nonzero) digits is 61236000, while the sum is 62.

The spelling of 10665560506679 in words is "ten trillion, six hundred sixty-five billion, five hundred sixty million, five hundred six thousand, six hundred seventy-nine".