9618832128 has 54 divisors (see below), whose sum is σ = 25607356684. Its totient is φ = 3205371392.

The previous prime is 9618832073. The next prime is 9618832159. The reversal of 9618832128 is 8212388169.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2716183 + ... + 2719721.

Almost surely, 2^9618832128 is an apocalyptic number.

It is an amenable number.

9618832128 is an abundant number, since it is smaller than the sum of its proper divisors (15988524556).

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

9618832128 is an frugal number, since it uses more digits than its factorization.

9618832128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7097 (or 3544 counting only the distinct ones).

The product of its digits is 331776, while the sum is 48.

The square root of 9618832128 is about 98075.6449277801. The cubic root of 9618832128 is about 2126.7059613266.

Multiplying 9618832128 by its sum of digits (48), we get a square (461703942144 = 679488²).

9618832128 divided by its sum of digits (48) gives a square (200392336 = 14156²).

The spelling of 9618832128 in words is "nine billion, six hundred eighteen million, eight hundred thirty-two thousand, one hundred twenty-eight".