266965382938 has 8 divisors (see below), whose sum is σ = 402544661760. Its totient is φ = 132783829020.

The previous prime is 266965382917. The next prime is 266965382939. The reversal of 266965382938 is 839283569662.

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

It is not an unprimeable number, because it can be changed into a prime (266965382939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349430748 + ... + 349431511.

It is an arithmetic number, because the mean of its divisors is an integer number (50318082720).

Almost surely, 2^266965382938 is an apocalyptic number.

266965382938 is a deficient number, since it is larger than the sum of its proper divisors (135579278822).

266965382938 is a wasteful number, since it uses less digits than its factorization.

266965382938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698862452.

The product of its digits is 201553920, while the sum is 67.

The spelling of 266965382938 in words is "two hundred sixty-six billion, nine hundred sixty-five million, three hundred eighty-two thousand, nine hundred thirty-eight".