25290165336 has 16 divisors (see below), whose sum is σ = 63225413400. Its totient is φ = 8430055104.

The previous prime is 25290165331. The next prime is 25290165437. The reversal of 25290165336 is 63356109252.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25290165331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 526878421 + ... + 526878468.

Almost surely, 2^25290165336 is an apocalyptic number.

It is an amenable number.

25290165336 is an abundant number, since it is smaller than the sum of its proper divisors (37935248064).

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

25290165336 is a wasteful number, since it uses less digits than its factorization.

25290165336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053756898 (or 1053756894 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 42.

It can be divided in two parts, 2529016 and 5336, that added together give a palindrome (2534352).

The spelling of 25290165336 in words is "twenty-five billion, two hundred ninety million, one hundred sixty-five thousand, three hundred thirty-six".