266046011620609 has 8 divisors (see below), whose sum is σ = 290391218410752. Its totient is φ = 241727339119440.

The previous prime is 266046011620601. The next prime is 266046011620657. The reversal of 266046011620609 is 906026110640662.

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 266046011620609 - 2³ = 266046011620601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (266046011620601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6633551274 + ... + 6633591379.

It is an arithmetic number, because the mean of its divisors is an integer number (36298902301344).

Almost surely, 2^{266046011620609} is an apocalyptic number.

It is an amenable number.

266046011620609 is a deficient number, since it is larger than the sum of its proper divisors (24345206790143).

266046011620609 is a wasteful number, since it uses less digits than its factorization.

266046011620609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13267144487.

The product of its (nonzero) digits is 1119744, while the sum is 49.

The spelling of 266046011620609 in words is "two hundred sixty-six trillion, forty-six billion, eleven million, six hundred twenty thousand, six hundred nine".