266990366713 has 8 divisors (see below), whose sum is σ = 323080780032. Its totient is φ = 215387186496.

The previous prime is 266990366689. The next prime is 266990366743. The reversal of 266990366713 is 317663099662.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-266990366713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (266990366743) 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, 1121808145 + ... + 1121808382.

It is an arithmetic number, because the mean of its divisors is an integer number (40385097504).

Almost surely, 2^266990366713 is an apocalyptic number.

It is an amenable number.

266990366713 is a deficient number, since it is larger than the sum of its proper divisors (56090413319).

266990366713 is a wasteful number, since it uses less digits than its factorization.

266990366713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2243616551.

The product of its (nonzero) digits is 13226976, while the sum is 58.

The spelling of 266990366713 in words is "two hundred sixty-six billion, nine hundred ninety million, three hundred sixty-six thousand, seven hundred thirteen".