118667520 has 108 divisors (see below), whose sum is σ = 410617116. Its totient is φ = 31641600.

The previous prime is 118667491. The next prime is 118667543. The reversal of 118667520 is 25766811.

It can be written as a sum of positive squares in 2 ways, for example, as 84934656 + 33732864 = 9216^2 + 5808^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6370 + ... + 16670.

Almost surely, 2^118667520 is an apocalyptic number.

118667520 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 118667520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205308558).

118667520 is an abundant number, since it is smaller than the sum of its proper divisors (291949596).

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

118667520 is a wasteful number, since it uses less digits than its factorization.

118667520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10328 (or 10311 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 118667520 is about 10893.4622595390. The cubic root of 118667520 is about 491.4099609218.

The spelling of 118667520 in words is "one hundred eighteen million, six hundred sixty-seven thousand, five hundred twenty".