9770921168 has 20 divisors (see below), whose sum is σ = 19197798048. Its totient is φ = 4816650720.

The previous prime is 9770921161. The next prime is 9770921197. The reversal of 9770921168 is 8611290779.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9770921161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4299446 + ... + 4301717.

Almost surely, 2^9770921168 is an apocalyptic number.

It is an amenable number.

9770921168 is a deficient number, since it is larger than the sum of its proper divisors (9426876880).

9770921168 is a wasteful number, since it uses less digits than its factorization.

9770921168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8601242 (or 8601236 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 50.

The square root of 9770921168 is about 98847.9699740971. The cubic root of 9770921168 is about 2137.8562664965.

The spelling of 9770921168 in words is "nine billion, seven hundred seventy million, nine hundred twenty-one thousand, one hundred sixty-eight".