9616901851 has 16 divisors (see below), whose sum is σ = 10392192000. Its totient is φ = 8870542848.

The previous prime is 9616901849. The next prime is 9616901857. The reversal of 9616901851 is 1581096169.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 9616901851 - 2¹ = 9616901849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9616901857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144450 + ... + 200248.

It is an arithmetic number, because the mean of its divisors is an integer number (649512000).

Almost surely, 2^9616901851 is an apocalyptic number.

9616901851 is a deficient number, since it is larger than the sum of its proper divisors (775290149).

9616901851 is a wasteful number, since it uses less digits than its factorization.

9616901851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56058.

The product of its (nonzero) digits is 116640, while the sum is 46.

The square root of 9616901851 is about 98065.8036779386. The cubic root of 9616901851 is about 2126.5636915867.

The spelling of 9616901851 in words is "nine billion, six hundred sixteen million, nine hundred one thousand, eight hundred fifty-one".