1266458012063 has 8 divisors (see below), whose sum is σ = 1286562838320. Its totient is φ = 1246388552640.

The previous prime is 1266458012041. The next prime is 1266458012101. The reversal of 1266458012063 is 3602108546621.

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 1266458012063 - 2¹⁴ = 1266457995679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1266458012033) 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, 8769518 + ... + 8912763.

It is an arithmetic number, because the mean of its divisors is an integer number (160820354790).

Almost surely, 2^{1266458012063} is an apocalyptic number.

1266458012063 is a deficient number, since it is larger than the sum of its proper divisors (20104826257).

1266458012063 is a wasteful number, since it uses less digits than its factorization.

1266458012063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17683417.

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 1266458012063 in words is "one trillion, two hundred sixty-six billion, four hundred fifty-eight million, twelve thousand, sixty-three".