118649540016 has 180 divisors, whose sum is σ = 400573627272. Its totient is φ = 33899814144.

The previous prime is 118649539997. The next prime is 118649540029. The reversal of 118649540016 is 610045946811.

118649540016 is a `hidden beast` number, since 11 + 86 + 4 + 9 + 540 + 0 + 16 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 120885 + ... + 501908.

Almost surely, 2^118649540016 is an apocalyptic number.

118649540016 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 118649540016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200286813636).

118649540016 is an abundant number, since it is smaller than the sum of its proper divisors (281924087256).

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

118649540016 is an equidigital number, since it uses as much as digits as its factorization.

118649540016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622830 (or 622805 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 118649540016 in words is "one hundred eighteen billion, six hundred forty-nine million, five hundred forty thousand, sixteen".