118656481446 has 128 divisors (see below), whose sum is σ = 269861760000. Its totient is φ = 38638798848.

The previous prime is 118656481441. The next prime is 118656481501. The reversal of 118656481446 is 644184656811.

118656481446 is a `hidden beast` number, since 1 + 1 + 8 + 65 + 64 + 81 + 446 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 118656481392 and 118656481401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118656481441) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 198090655 + ... + 198091253.

It is an arithmetic number, because the mean of its divisors is an integer number (2108295000).

Almost surely, 2^118656481446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118656481446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134930880000).

118656481446 is an abundant number, since it is smaller than the sum of its proper divisors (151205278554).

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

118656481446 is a wasteful number, since it uses less digits than its factorization.

118656481446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115 (or 1109 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 54.

The spelling of 118656481446 in words is "one hundred eighteen billion, six hundred fifty-six million, four hundred eighty-one thousand, four hundred forty-six".