25232164016 has 60 divisors (see below), whose sum is σ = 50272552440. Its totient is φ = 12268085760.

The previous prime is 25232164003. The next prime is 25232164033. The reversal of 25232164016 is 61046123252.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7127975 + ... + 7131513.

It is an arithmetic number, because the mean of its divisors is an integer number (837875874).

Almost surely, 2^25232164016 is an apocalyptic number.

It is an amenable number.

25232164016 is a deficient number, since it is larger than the sum of its proper divisors (25040388424).

25232164016 is a wasteful number, since it uses less digits than its factorization.

25232164016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3874 (or 3825 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 25232164016 its reverse (61046123252), we get a palindrome (86278287268).

The spelling of 25232164016 in words is "twenty-five billion, two hundred thirty-two million, one hundred sixty-four thousand, sixteen".