118773648 has 240 divisors, whose sum is σ = 411640320. Its totient is φ = 32659200.

The previous prime is 118773637. The next prime is 118773661. The reversal of 118773648 is 846377811.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

Its product of digits (225792) is a multiple of the sum of its prime divisors (224).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 656118 + ... + 656298.

It is an arithmetic number, because the mean of its divisors is an integer number (1715168).

Almost surely, 2^118773648 is an apocalyptic number.

118773648 is a gapful number since it is divisible by the number (18) 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 118773648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205820160).

118773648 is an abundant number, since it is smaller than the sum of its proper divisors (292866672).

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

118773648 is a wasteful number, since it uses less digits than its factorization.

118773648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 224 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 118773648 is about 10898.3323494927. The cubic root of 118773648 is about 491.5564116016.

The spelling of 118773648 in words is "one hundred eighteen million, seven hundred seventy-three thousand, six hundred forty-eight".