9916426971 has 64 divisors (see below), whose sum is σ = 17414553600. Its totient is φ = 5509879200.

The previous prime is 9916426969. The next prime is 9916426981. The reversal of 9916426971 is 1796246199.

It is a happy number.

9916426971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9916426971 - 2¹ = 9916426969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9916426981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 146590 + ... + 203276.

It is an arithmetic number, because the mean of its divisors is an integer number (272102400).

Almost surely, 2^9916426971 is an apocalyptic number.

9916426971 is a deficient number, since it is larger than the sum of its proper divisors (7498126629).

9916426971 is a wasteful number, since it uses less digits than its factorization.

9916426971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56757 (or 56751 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 54.

The square root of 9916426971 is about 99581.2581312367. The cubic root of 9916426971 is about 2148.4161380482.

The spelling of 9916426971 in words is "nine billion, nine hundred sixteen million, four hundred twenty-six thousand, nine hundred seventy-one".