10245636611666 has 8 divisors (see below), whose sum is σ = 15411991618044. Its totient is φ = 5108306072320.

The previous prime is 10245636611657. The next prime is 10245636611677. The reversal of 10245636611666 is 66611663654201.

It can be written as a sum of positive squares in 2 ways, for example, as 9120490600225 + 1125146011441 = 3020015^2 + 1060729^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7256115875 + ... + 7256117286.

Almost surely, 2^{10245636611666} is an apocalyptic number.

10245636611666 is a deficient number, since it is larger than the sum of its proper divisors (5166355006378).

10245636611666 is a wasteful number, since it uses less digits than its factorization.

10245636611666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14512233516.

The product of its (nonzero) digits is 5598720, while the sum is 53.

The spelling of 10245636611666 in words is "ten trillion, two hundred forty-five billion, six hundred thirty-six million, six hundred eleven thousand, six hundred sixty-six".