8631652128 has 192 divisors, whose sum is σ = 25518011904. Its totient is φ = 2553196800.

The previous prime is 8631652091. The next prime is 8631652157. The reversal of 8631652128 is 8212561368.

It is a self number, because there is not a number n which added to its sum of digits gives 8631652128.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5493583 + ... + 5495153.

It is an arithmetic number, because the mean of its divisors is an integer number (132906312).

Almost surely, 2^8631652128 is an apocalyptic number.

8631652128 is a gapful number since it is divisible by the number (88) 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 8631652128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12759005952).

8631652128 is an abundant number, since it is smaller than the sum of its proper divisors (16886359776).

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

8631652128 is a wasteful number, since it uses less digits than its factorization.

8631652128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1660 (or 1630 counting only the distinct ones).

The product of its digits is 138240, while the sum is 42.

The square root of 8631652128 is about 92906.6850554900. The cubic root of 8631652128 is about 2051.3100591540.

The spelling of 8631652128 in words is "eight billion, six hundred thirty-one million, six hundred fifty-two thousand, one hundred twenty-eight".