10001666605307 has 24 divisors (see below), whose sum is σ = 10930770686880. Its totient is φ = 9146599937280.

The previous prime is 10001666605303. The next prime is 10001666605321. The reversal of 10001666605307 is 70350666610001.

It is not a de Polignac number, because 10001666605307 - 2² = 10001666605303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10001666605303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 205572458 + ... + 205621104.

It is an arithmetic number, because the mean of its divisors is an integer number (455448778620).

Almost surely, 2^{10001666605307} is an apocalyptic number.

10001666605307 is a deficient number, since it is larger than the sum of its proper divisors (929104081573).

10001666605307 is a wasteful number, since it uses less digits than its factorization.

10001666605307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59943 (or 59930 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 41.

The spelling of 10001666605307 in words is "ten trillion, one billion, six hundred sixty-six million, six hundred five thousand, three hundred seven".