9660025881 has 12 divisors (see below), whose sum is σ = 15221859120. Its totient is φ = 5854561080.

The previous prime is 9660025811. The next prime is 9660025891. The reversal of 9660025881 is 1885200669.

9660025881 is a `hidden beast` number, since 9 + 6 + 60 + 0 + 2 + 588 + 1 = 666.

It is not a de Polignac number, because 9660025881 - 2¹⁴ = 9660009497 is a prime.

It is a super-2 number, since 2×9660025881² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9660025801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48787911 + ... + 48788108.

It is an arithmetic number, because the mean of its divisors is an integer number (1268488260).

Almost surely, 2^9660025881 is an apocalyptic number.

It is an amenable number.

9660025881 is a deficient number, since it is larger than the sum of its proper divisors (5561833239).

9660025881 is a wasteful number, since it uses less digits than its factorization.

9660025881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97576036 (or 97576033 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 9660025881 is about 98285.4306649770. The cubic root of 9660025881 is about 2129.7375918223.

The spelling of 9660025881 in words is "nine billion, six hundred sixty million, twenty-five thousand, eight hundred eighty-one".