1266168045 has 8 divisors (see below), whose sum is σ = 2025868896. Its totient is φ = 675289616.

The previous prime is 1266168031. The next prime is 1266168047. The reversal of 1266168045 is 5408616621.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1266168045 - 2⁹ = 1266167533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1266167994 and 1266168012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1266168047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42205587 + ... + 42205616.

It is an arithmetic number, because the mean of its divisors is an integer number (253233612).

Almost surely, 2^1266168045 is an apocalyptic number.

1266168045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1266168045 is a deficient number, since it is larger than the sum of its proper divisors (759700851).

1266168045 is an equidigital number, since it uses as much as digits as its factorization.

1266168045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84411211.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 1266168045 is about 35583.2551209133. The cubic root of 1266168045 is about 1081.8418630495.

The spelling of 1266168045 in words is "one billion, two hundred sixty-six million, one hundred sixty-eight thousand, forty-five".