118685610450 has 168 divisors, whose sum is σ = 361071885456. Its totient is φ = 28772172000.

The previous prime is 118685610431. The next prime is 118685610457. The reversal of 118685610450 is 54016586811.

118685610450 is a `hidden beast` number, since 1 + 1 + 86 + 8 + 561 + 0 + 4 + 5 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 118685610396 and 118685610405.

It is not an unprimeable number, because it can be changed into a prime (118685610457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 252945 + ... + 548955.

Almost surely, 2^118685610450 is an apocalyptic number.

118685610450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 118685610450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180535942728).

118685610450 is an abundant number, since it is smaller than the sum of its proper divisors (242386275006).

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

118685610450 is a wasteful number, since it uses less digits than its factorization.

118685610450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296052 (or 296032 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 45.

The spelling of 118685610450 in words is "one hundred eighteen billion, six hundred eighty-five million, six hundred ten thousand, four hundred fifty".