10166768449 has 4 divisors (see below), whose sum is σ = 10167230464. Its totient is φ = 10166306436.

The previous prime is 10166768411. The next prime is 10166768477. The reversal of 10166768449 is 94486766101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10166768449 - 2¹⁵ = 10166735681 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10166768396 and 10166768405.

It is not an unprimeable number, because it can be changed into a prime (10166768749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196257 + ... + 242590.

It is an arithmetic number, because the mean of its divisors is an integer number (2541807616).

Almost surely, 2^10166768449 is an apocalyptic number.

It is an amenable number.

10166768449 is a deficient number, since it is larger than the sum of its proper divisors (462015).

10166768449 is an equidigital number, since it uses as much as digits as its factorization.

10166768449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462014.

The product of its (nonzero) digits is 1741824, while the sum is 52.

The spelling of 10166768449 in words is "ten billion, one hundred sixty-six million, seven hundred sixty-eight thousand, four hundred forty-nine".