116822520 has 128 divisors (see below), whose sum is σ = 406425600. Its totient is φ = 29791872.

The previous prime is 116822513. The next prime is 116822561. The reversal of 116822520 is 25228611.

It is a happy number.

116822520 is a `hidden beast` number, since 116 + 8 + 22 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22489 + ... + 27191.

It is an arithmetic number, because the mean of its divisors is an integer number (3175200).

Almost surely, 2^116822520 is an apocalyptic number.

116822520 is a gapful number since it is divisible by the number (10) 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 116822520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203212800).

116822520 is an abundant number, since it is smaller than the sum of its proper divisors (289603080).

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

116822520 is a wasteful number, since it uses less digits than its factorization.

116822520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4746 (or 4736 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 116822520 is about 10808.4466969126. The cubic root of 116822520 is about 488.8498918236.

The spelling of 116822520 in words is "one hundred sixteen million, eight hundred twenty-two thousand, five hundred twenty".