9916786005 has 32 divisors (see below), whose sum is σ = 18161964288. Its totient is φ = 4526284800.

The previous prime is 9916786003. The next prime is 9916786027. The reversal of 9916786005 is 5006876199.

It is not a de Polignac number, because 9916786005 - 2¹ = 9916786003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9916786003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6366 + ... + 140975.

It is an arithmetic number, because the mean of its divisors is an integer number (567561384).

Almost surely, 2^9916786005 is an apocalyptic number.

It is an amenable number.

9916786005 is a deficient number, since it is larger than the sum of its proper divisors (8245178283).

9916786005 is a wasteful number, since it uses less digits than its factorization.

9916786005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147997.

The product of its (nonzero) digits is 816480, while the sum is 51.

The square root of 9916786005 is about 99583.0608336578. The cubic root of 9916786005 is about 2148.4420662423.

The spelling of 9916786005 in words is "nine billion, nine hundred sixteen million, seven hundred eighty-six thousand, five".