116481780 has 96 divisors (see below), whose sum is σ = 381494400. Its totient is φ = 29424384.

The previous prime is 116481749. The next prime is 116481791. The reversal of 116481780 is 87184611.

116481780 is a `hidden beast` number, since 1 + 1 + 648 + 1 + 7 + 8 + 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 an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4584 + ... + 15936.

It is an arithmetic number, because the mean of its divisors is an integer number (3973900).

Almost surely, 2^116481780 is an apocalyptic number.

116481780 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 116481780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190747200).

116481780 is an abundant number, since it is smaller than the sum of its proper divisors (265012620).

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

116481780 is a wasteful number, since it uses less digits than its factorization.

116481780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11390 (or 11382 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 36.

The square root of 116481780 is about 10792.6725142571. The cubic root of 116481780 is about 488.3741475851.

It can be divided in two parts, 1164 and 81780, that added together give a square (82944 = 288²).

The spelling of 116481780 in words is "one hundred sixteen million, four hundred eighty-one thousand, seven hundred eighty".