116391528 has 96 divisors (see below), whose sum is σ = 346226400. Its totient is φ = 35030400.

The previous prime is 116391521. The next prime is 116391533. The reversal of 116391528 is 825193611.

116391528 is a `hidden beast` number, since 1 + 1 + 639 + 15 + 2 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 116391492 and 116391501.

It is not an unprimeable number, because it can be changed into a prime (116391521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 141358 + ... + 142178.

It is an arithmetic number, because the mean of its divisors is an integer number (3606525).

Almost surely, 2^116391528 is an apocalyptic number.

116391528 is a gapful number since it is divisible by the number (18) 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 116391528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173113200).

116391528 is an abundant number, since it is smaller than the sum of its proper divisors (229834872).

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

116391528 is a wasteful number, since it uses less digits than its factorization.

116391528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023 (or 1016 counting only the distinct ones).

The product of its digits is 12960, while the sum is 36.

The square root of 116391528 is about 10788.4905338977. The cubic root of 116391528 is about 488.2479815522.

The spelling of 116391528 in words is "one hundred sixteen million, three hundred ninety-one thousand, five hundred twenty-eight".