265676342666 has 8 divisors (see below), whose sum is σ = 455445158880. Its totient is φ = 113861289708.

The previous prime is 265676342639. The next prime is 265676342683. The reversal of 265676342666 is 666243676562.

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, 9488440796 + ... + 9488440823.

It is an arithmetic number, because the mean of its divisors is an integer number (56930644860).

Almost surely, 2^265676342666 is an apocalyptic number.

265676342666 is a deficient number, since it is larger than the sum of its proper divisors (189768816214).

265676342666 is a wasteful number, since it uses less digits than its factorization.

265676342666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18976881628.

The product of its digits is 78382080, while the sum is 59.

The spelling of 265676342666 in words is "two hundred sixty-five billion, six hundred seventy-six million, three hundred forty-two thousand, six hundred sixty-six".