9856663264532 has 24 divisors (see below), whose sum is σ = 19714177430976. Its totient is φ = 4224101920128.

The previous prime is 9856663264523. The next prime is 9856663264543. The reversal of 9856663264532 is 2354623666589.

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, 6936053 + ... + 8235420.

It is an arithmetic number, because the mean of its divisors is an integer number (821424059624).

Almost surely, 2^{9856663264532} is an apocalyptic number.

It is an amenable number.

9856663264532 is an abundant number, since it is smaller than the sum of its proper divisors (9857514166444).

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

9856663264532 is a wasteful number, since it uses less digits than its factorization.

9856663264532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15194687 (or 15194685 counting only the distinct ones).

The product of its digits is 335923200, while the sum is 65.

The spelling of 9856663264532 in words is "nine trillion, eight hundred fifty-six billion, six hundred sixty-three million, two hundred sixty-four thousand, five hundred thirty-two".