265530696966 has 24 divisors (see below), whose sum is σ = 590076630360. Its totient is φ = 88508970108.

The previous prime is 265530696961. The next prime is 265530696989. The reversal of 265530696966 is 669696035562.

265530696966 is a `hidden beast` number, since 2 + 6 + 5 + 530 + 6 + 9 + 6 + 96 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265530696961) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3751581 + ... + 3821703.

It is an arithmetic number, because the mean of its divisors is an integer number (24586526265).

Almost surely, 2^265530696966 is an apocalyptic number.

265530696966 is an abundant number, since it is smaller than the sum of its proper divisors (324545933394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

265530696966 is an frugal number, since it uses more digits than its factorization.

265530696966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140257 (or 70128 counting only the distinct ones).

The product of its (nonzero) digits is 94478400, while the sum is 63.

The spelling of 265530696966 in words is "two hundred sixty-five billion, five hundred thirty million, six hundred ninety-six thousand, nine hundred sixty-six".