10166816705 has 4 divisors (see below), whose sum is σ = 12200180052. Its totient is φ = 8133453360.

The previous prime is 10166816687. The next prime is 10166816713. The reversal of 10166816705 is 50761866101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50761866101 = 769 ⋅66010229.

It can be written as a sum of positive squares in 2 ways, for example, as 1424005696 + 8742811009 = 37736^2 + 93503^2 .

It is not a de Polignac number, because 10166816705 - 2¹⁴ = 10166800321 is a prime.

It is a Duffinian number.

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, 1016681666 + ... + 1016681675.

It is an arithmetic number, because the mean of its divisors is an integer number (3050045013).

Almost surely, 2^10166816705 is an apocalyptic number.

It is an amenable number.

10166816705 is a deficient number, since it is larger than the sum of its proper divisors (2033363347).

10166816705 is an equidigital number, since it uses as much as digits as its factorization.

10166816705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2033363346.

The product of its (nonzero) digits is 60480, while the sum is 41.

The spelling of 10166816705 in words is "ten billion, one hundred sixty-six million, eight hundred sixteen thousand, seven hundred five".