9668747142 has 64 divisors (see below), whose sum is σ = 21730680000. Its totient is φ = 3186376704.

The previous prime is 9668747083. The next prime is 9668747147. The reversal of 9668747142 is 2417478669.

9668747142 is a `hidden beast` number, since 96 + 6 + 87 + 471 + 4 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9668747147) 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, 2738034 + ... + 2741562.

It is an arithmetic number, because the mean of its divisors is an integer number (339541875).

Almost surely, 2^9668747142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9668747142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10865340000).

9668747142 is an abundant number, since it is smaller than the sum of its proper divisors (12061932858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9668747142 is a wasteful number, since it uses less digits than its factorization.

9668747142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4102 (or 4096 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The square root of 9668747142 is about 98329.7876637593. The cubic root of 9668747142 is about 2130.3783220085.

The spelling of 9668747142 in words is "nine billion, six hundred sixty-eight million, seven hundred forty-seven thousand, one hundred forty-two".