9578351616 has 176 divisors, whose sum is σ = 27767735136. Its totient is φ = 2923167744.

The previous prime is 9578351593. The next prime is 9578351617. The reversal of 9578351616 is 6161538759.

It is a super-2 number, since 2×9578351616² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (9578351617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1929810 + ... + 1934766.

Almost surely, 2^9578351616 is an apocalyptic number.

9578351616 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9578351616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13883867568).

9578351616 is an abundant number, since it is smaller than the sum of its proper divisors (18189383520).

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

9578351616 is a wasteful number, since it uses less digits than its factorization.

9578351616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5034 (or 5016 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 51.

The square root of 9578351616 is about 97869.0534132215. The cubic root of 9578351616 is about 2123.7183776193.

The spelling of 9578351616 in words is "nine billion, five hundred seventy-eight million, three hundred fifty-one thousand, six hundred sixteen".