9568721016 has 48 divisors (see below), whose sum is σ = 25928145360. Its totient is φ = 3187991040.

The previous prime is 9568720961. The next prime is 9568721033. The reversal of 9568721016 is 6101278659.

9568721016 is a `hidden beast` number, since 9 + 568 + 72 + 1 + 0 + 16 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117901 + ... + 181763.

It is an arithmetic number, because the mean of its divisors is an integer number (540169695).

Almost surely, 2^9568721016 is an apocalyptic number.

It is an amenable number.

9568721016 is an abundant number, since it is smaller than the sum of its proper divisors (16359424344).

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

9568721016 is a wasteful number, since it uses less digits than its factorization.

9568721016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65956 (or 65949 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 9568721016 is about 97819.8395827758. The cubic root of 9568721016 is about 2123.0063712947.

The spelling of 9568721016 in words is "nine billion, five hundred sixty-eight million, seven hundred twenty-one thousand, sixteen".