25562066672 has 20 divisors (see below), whose sum is σ = 49542230880. Its totient is φ = 12776974848.

The previous prime is 25562066603. The next prime is 25562066683. The reversal of 25562066672 is 27666026552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201368 + ... + 302775.

It is an arithmetic number, because the mean of its divisors is an integer number (2477111544).

Almost surely, 2^25562066672 is an apocalyptic number.

It is an amenable number.

25562066672 is a deficient number, since it is larger than the sum of its proper divisors (23980164208).

25562066672 is a wasteful number, since it uses less digits than its factorization.

25562066672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507320 (or 507314 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 47.

The spelling of 25562066672 in words is "twenty-five billion, five hundred sixty-two million, sixty-six thousand, six hundred seventy-two".