9616728722 has 16 divisors (see below), whose sum is σ = 14891199840. Its totient is φ = 4654974912.

The previous prime is 9616728713. The next prime is 9616728727. The reversal of 9616728722 is 2278276169.

It is not an unprimeable number, because it can be changed into a prime (9616728727) 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, 485072 + ... + 504507.

It is an arithmetic number, because the mean of its divisors is an integer number (930699990).

Almost surely, 2^9616728722 is an apocalyptic number.

9616728722 is a deficient number, since it is larger than the sum of its proper divisors (5274471118).

9616728722 is a wasteful number, since it uses less digits than its factorization.

9616728722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989737.

The product of its digits is 1016064, while the sum is 50.

The square root of 9616728722 is about 98064.9209554568. The cubic root of 9616728722 is about 2126.5509303025.

The spelling of 9616728722 in words is "nine billion, six hundred sixteen million, seven hundred twenty-eight thousand, seven hundred twenty-two".