25164341606 has 16 divisors (see below), whose sum is σ = 38176887600. Its totient is φ = 12439525728.

The previous prime is 25164341567. The next prime is 25164341611. The reversal of 25164341606 is 60614346152.

It is a self number, because there is not a number n which added to its sum of digits gives 25164341606.

It is a congruent 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, 141221 + ... + 265088.

It is an arithmetic number, because the mean of its divisors is an integer number (2386055475).

Almost surely, 2^25164341606 is an apocalyptic number.

25164341606 is a deficient number, since it is larger than the sum of its proper divisors (13012545994).

25164341606 is a wasteful number, since it uses less digits than its factorization.

25164341606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406663.

The product of its (nonzero) digits is 103680, while the sum is 38.

Adding to 25164341606 its reverse (60614346152), we get a palindrome (85778687758).

The spelling of 25164341606 in words is "twenty-five billion, one hundred sixty-four million, three hundred forty-one thousand, six hundred six".