116554489776 has 120 divisors (see below), whose sum is σ = 343054233600. Its totient is φ = 36869551488.

The previous prime is 116554489771. The next prime is 116554489783. The reversal of 116554489776 is 677984455611.

116554489776 is a `hidden beast` number, since 1 + 1 + 6 + 5 + 544 + 89 + 7 + 7 + 6 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (116554489771) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 282075 + ... + 559173.

It is an arithmetic number, because the mean of its divisors is an integer number (2858785280).

Almost surely, 2^116554489776 is an apocalyptic number.

116554489776 is a gapful number since it is divisible by the number (16) 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 116554489776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171527116800).

116554489776 is an abundant number, since it is smaller than the sum of its proper divisors (226499743824).

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

116554489776 is a wasteful number, since it uses less digits than its factorization.

116554489776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277263 (or 277254 counting only the distinct ones).

The product of its digits is 50803200, while the sum is 63.

It can be divided in two parts, 1165544 and 89776, that added together give a triangular number (1255320 = T₁₅₈₄).

The spelling of 116554489776 in words is "one hundred sixteen billion, five hundred fifty-four million, four hundred eighty-nine thousand, seven hundred seventy-six".