1266404683466 has 8 divisors (see below), whose sum is σ = 2045730642564. Its totient is φ = 584494469280.

The previous prime is 1266404683391. The next prime is 1266404683529. The reversal of 1266404683466 is 6643864046621.

It can be written as a sum of positive squares in 2 ways, for example, as 1136844280441 + 129560403025 = 1066229^2 + 359945^2 .

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

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, 24353936195 + ... + 24353936246.

Almost surely, 2^{1266404683466} is an apocalyptic number.

1266404683466 is a deficient number, since it is larger than the sum of its proper divisors (779325959098).

1266404683466 is a wasteful number, since it uses less digits than its factorization.

1266404683466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48707872456.

The product of its (nonzero) digits is 23887872, while the sum is 56.

The spelling of 1266404683466 in words is "one trillion, two hundred sixty-six billion, four hundred four million, six hundred eighty-three thousand, four hundred sixty-six".