265640362135066 has 8 divisors (see below), whose sum is σ = 398460645538560. Its totient is φ = 132820146955548.

The previous prime is 265640362135037. The next prime is 265640362135079. The reversal of 265640362135066 is 660531263046562.

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

It is a junction number, because it is equal to n+sod(n) for n = 265640362134998 and 265640362135016.

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, 5849146 + ... + 23780101.

It is an arithmetic number, because the mean of its divisors is an integer number (49807580692320).

Almost surely, 2^{265640362135066} is an apocalyptic number.

265640362135066 is a deficient number, since it is larger than the sum of its proper divisors (132820283403494).

265640362135066 is a wasteful number, since it uses less digits than its factorization.

265640362135066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34111988.

The product of its (nonzero) digits is 27993600, while the sum is 55.

The spelling of 265640362135066 in words is "two hundred sixty-five trillion, six hundred forty billion, three hundred sixty-two million, one hundred thirty-five thousand, sixty-six".