118116667550 has 48 divisors (see below), whose sum is σ = 251117275680. Its totient is φ = 40491500160.

The previous prime is 118116667549. The next prime is 118116667567. The reversal of 118116667550 is 55766611811.

It is a junction number, because it is equal to n+sod(n) for n = 118116667495 and 118116667504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3073856 + ... + 3112044.

It is an arithmetic number, because the mean of its divisors is an integer number (5231609910).

Almost surely, 2^118116667550 is an apocalyptic number.

118116667550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118116667550 is an abundant number, since it is smaller than the sum of its proper divisors (133000608130).

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

118116667550 is a wasteful number, since it uses less digits than its factorization.

118116667550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47045 (or 47040 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 47.

The spelling of 118116667550 in words is "one hundred eighteen billion, one hundred sixteen million, six hundred sixty-seven thousand, five hundred fifty".