8961658751 has 8 divisors (see below), whose sum is σ = 9354010464. Its totient is φ = 8569533280.

The previous prime is 8961658747. The next prime is 8961658781. The reversal of 8961658751 is 1578561698.

8961658751 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8961658751 - 2² = 8961658747 is a prime.

It is a super-2 number, since 2×8961658751² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8961658721) 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 7 ways as a sum of consecutive naturals, for example, 27041 + ... + 136581.

It is an arithmetic number, because the mean of its divisors is an integer number (1169251308).

Almost surely, 2^8961658751 is an apocalyptic number.

8961658751 is a deficient number, since it is larger than the sum of its proper divisors (392351713).

8961658751 is a wasteful number, since it uses less digits than its factorization.

8961658751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113121.

The product of its digits is 3628800, while the sum is 56.

The square root of 8961658751 is about 94666.0380020206. The cubic root of 8961658751 is about 2077.1258032900.

The spelling of 8961658751 in words is "eight billion, nine hundred sixty-one million, six hundred fifty-eight thousand, seven hundred fifty-one".