118661166040 has 32 divisors (see below), whose sum is σ = 267044247360. Its totient is φ = 47454400000.

The previous prime is 118661166031. The next prime is 118661166053. The reversal of 118661166040 is 40661166811.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 118661165984 and 118661166002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122161 + ... + 502240.

It is an arithmetic number, because the mean of its divisors is an integer number (8345132730).

Almost surely, 2^118661166040 is an apocalyptic number.

118661166040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118661166040 is an abundant number, since it is smaller than the sum of its proper divisors (148383081320).

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

118661166040 is a wasteful number, since it uses less digits than its factorization.

118661166040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629163 (or 629159 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The spelling of 118661166040 in words is "one hundred eighteen billion, six hundred sixty-one million, one hundred sixty-six thousand, forty".