116643528 has 96 divisors (see below), whose sum is σ = 336749400. Its totient is φ = 36347904.

The previous prime is 116643517. The next prime is 116643533. The reversal of 116643528 is 825346611.

It is a happy number.

116643528 is a `hidden beast` number, since 1 + 1 + 6 + 643 + 5 + 2 + 8 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 113678244 + 2965284 = 10662^2 + 1722^2 .

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 = 116643492 and 116643501.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 284988 + ... + 285396.

Almost surely, 2^116643528 is an apocalyptic number.

116643528 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 116643528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168374700).

116643528 is an abundant number, since it is smaller than the sum of its proper divisors (220105872).

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

116643528 is a wasteful number, since it uses less digits than its factorization.

116643528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671 (or 664 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 116643528 is about 10800.1633320983. The cubic root of 116643528 is about 488.6000971027.

The spelling of 116643528 in words is "one hundred sixteen million, six hundred forty-three thousand, five hundred twenty-eight".