116549820 has 48 divisors (see below), whose sum is σ = 362601120. Its totient is φ = 31079808.

The previous prime is 116549813. The next prime is 116549821. The reversal of 116549820 is 28945611.

116549820 is a `hidden beast` number, since 1 + 165 + 498 + 2 + 0 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116549821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107377 + ... + 108456.

It is an arithmetic number, because the mean of its divisors is an integer number (7554190).

Almost surely, 2^116549820 is an apocalyptic number.

116549820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

116549820 is an abundant number, since it is smaller than the sum of its proper divisors (246051300).

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

116549820 is a wasteful number, since it uses less digits than its factorization.

116549820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215851 (or 215843 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 116549820 is about 10795.8241927145. The cubic root of 116549820 is about 488.4692197046.

The spelling of 116549820 in words is "one hundred sixteen million, five hundred forty-nine thousand, eight hundred twenty".