116569728 has 96 divisors (see below), whose sum is σ = 365976000. Its totient is φ = 35320320.

The previous prime is 116569699. The next prime is 116569751. The reversal of 116569728 is 827965611.

116569728 is a `hidden beast` number, since 1 + 16 + 569 + 72 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

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 11 ways as a sum of consecutive naturals, for example, 8073 + ... + 17271.

It is an arithmetic number, because the mean of its divisors is an integer number (3812250).

Almost surely, 2^116569728 is an apocalyptic number.

116569728 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 116569728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182988000).

116569728 is an abundant number, since it is smaller than the sum of its proper divisors (249406272).

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

116569728 is a wasteful number, since it uses less digits than its factorization.

116569728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9230 (or 9215 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 116569728 is about 10796.7461765108. The cubic root of 116569728 is about 488.4970301054.

The spelling of 116569728 in words is "one hundred sixteen million, five hundred sixty-nine thousand, seven hundred twenty-eight".