25162640606 has 16 divisors (see below), whose sum is σ = 38676718080. Its totient is φ = 12273657240.

The previous prime is 25162640603. The next prime is 25162640617. The reversal of 25162640606 is 60604626152.

It is a self number, because there is not a number n which added to its sum of digits gives 25162640606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25162640603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 798446 + ... + 829361.

It is an arithmetic number, because the mean of its divisors is an integer number (2417294880).

Almost surely, 2^25162640606 is an apocalyptic number.

25162640606 is a deficient number, since it is larger than the sum of its proper divisors (13514077474).

25162640606 is a wasteful number, since it uses less digits than its factorization.

25162640606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627999.

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

The spelling of 25162640606 in words is "twenty-five billion, one hundred sixty-two million, six hundred forty thousand, six hundred six".