25670066680 has 32 divisors (see below), whose sum is σ = 58005558000. Its totient is φ = 10223954176.

The previous prime is 25670066671. The next prime is 25670066683. The reversal of 25670066680 is 8666007652.

It is a self number, because there is not a number n which added to its sum of digits gives 25670066680.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25670066683) 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, 1367830 + ... + 1386469.

Almost surely, 2^25670066680 is an apocalyptic number.

25670066680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25670066680 is an abundant number, since it is smaller than the sum of its proper divisors (32335491320).

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

25670066680 is a wasteful number, since it uses less digits than its factorization.

25670066680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2754543 (or 2754539 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 25670066680 in words is "twenty-five billion, six hundred seventy million, sixty-six thousand, six hundred eighty".