25536065466 has 16 divisors (see below), whose sum is σ = 54076374144. Its totient is φ = 8011314624.

The previous prime is 25536065413. The next prime is 25536065497. The reversal of 25536065466 is 66456063552.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125176690 + ... + 125176893.

It is an arithmetic number, because the mean of its divisors is an integer number (3379773384).

Almost surely, 2^25536065466 is an apocalyptic number.

25536065466 is an abundant number, since it is smaller than the sum of its proper divisors (28540308678).

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

25536065466 is a wasteful number, since it uses less digits than its factorization.

25536065466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250353605.

The product of its (nonzero) digits is 3888000, while the sum is 48.

The spelling of 25536065466 in words is "twenty-five billion, five hundred thirty-six million, sixty-five thousand, four hundred sixty-six".