1168398528 has 224 divisors, whose sum is σ = 3581521920. Its totient is φ = 332682240.

The previous prime is 1168398527. The next prime is 1168398547. The reversal of 1168398528 is 8258938611.

It is not an unprimeable number, because it can be changed into a prime (1168398527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3254413 + ... + 3254771.

Almost surely, 2^1168398528 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 1168398528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1790760960).

1168398528 is an abundant number, since it is smaller than the sum of its proper divisors (2413123392).

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

1168398528 is a wasteful number, since it uses less digits than its factorization.

1168398528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475 (or 465 counting only the distinct ones).

The product of its digits is 829440, while the sum is 51.

The square root of 1168398528 is about 34181.8450057922. The cubic root of 1168398528 is about 1053.2472496368.

The spelling of 1168398528 in words is "one billion, one hundred sixty-eight million, three hundred ninety-eight thousand, five hundred twenty-eight".