9157843968 has 704 divisors, whose sum is σ = 33278128128. Its totient is φ = 2170552320.

The previous prime is 9157843943. The next prime is 9157843969. The reversal of 9157843968 is 8693487519.

It is a super-2 number, since 2×9157843968² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9157843969) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 194847721 + ... + 194847767.

Almost surely, 2^9157843968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9157843968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16639064064).

9157843968 is an abundant number, since it is smaller than the sum of its proper divisors (24120284160).

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

9157843968 is a wasteful number, since it uses less digits than its factorization.

9157843968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148 (or 130 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 60.

The square root of 9157843968 is about 95696.6246426696. The cubic root of 9157843968 is about 2092.1737392373.

The spelling of 9157843968 in words is "nine billion, one hundred fifty-seven million, eight hundred forty-three thousand, nine hundred sixty-eight".