9721160735 has 16 divisors (see below), whose sum is σ = 13704798240. Its totient is φ = 6526093440.

The previous prime is 9721160599. The next prime is 9721160737. The reversal of 9721160735 is 5370611279.

It is not a de Polignac number, because 9721160735 - 2¹² = 9721156639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9721160692 and 9721160701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9721160737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6797300 + ... + 6798729.

It is an arithmetic number, because the mean of its divisors is an integer number (856549890).

Almost surely, 2^9721160735 is an apocalyptic number.

9721160735 is a deficient number, since it is larger than the sum of its proper divisors (3983637505).

9721160735 is a wasteful number, since it uses less digits than its factorization.

9721160735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13596058.

The product of its (nonzero) digits is 79380, while the sum is 41.

The square root of 9721160735 is about 98595.9468487422. The cubic root of 9721160735 is about 2134.2209301471.

The spelling of 9721160735 in words is "nine billion, seven hundred twenty-one million, one hundred sixty thousand, seven hundred thirty-five".