266043553163042 has 8 divisors (see below), whose sum is σ = 399898451520000. Its totient is φ = 132744069323044.

The previous prime is 266043553163039. The next prime is 266043553163071. The reversal of 266043553163042 is 240361355340662.

It is a happy number.

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, 138853628042 + ... + 138853629957.

It is an arithmetic number, because the mean of its divisors is an integer number (49987306440000).

Almost surely, 2^{266043553163042} is an apocalyptic number.

266043553163042 is a deficient number, since it is larger than the sum of its proper divisors (133854898356958).

266043553163042 is a wasteful number, since it uses less digits than its factorization.

266043553163042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277707258480.

The product of its (nonzero) digits is 9331200, while the sum is 50.

The spelling of 266043553163042 in words is "two hundred sixty-six trillion, forty-three billion, five hundred fifty-three million, one hundred sixty-three thousand, forty-two".