120617165205198 has 12 divisors (see below), whose sum is σ = 261337191277968. Its totient is φ = 40205721735060.

The previous prime is 120617165205191. The next prime is 120617165205211. The reversal of 120617165205198 is 891502561716021.

120617165205198 is a `hidden beast` number, since 1 + 2 + 0 + 6 + 1 + 71 + 6 + 52 + 0 + 519 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120617165205191) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3350476811238 + ... + 3350476811273.

It is an arithmetic number, because the mean of its divisors is an integer number (21778099273164).

Almost surely, 2^{120617165205198} is an apocalyptic number.

120617165205198 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

120617165205198 is an abundant number, since it is smaller than the sum of its proper divisors (140720026072770).

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

120617165205198 is a wasteful number, since it uses less digits than its factorization.

120617165205198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6700953622519 (or 6700953622516 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 54.

The spelling of 120617165205198 in words is "one hundred twenty trillion, six hundred seventeen billion, one hundred sixty-five million, two hundred five thousand, one hundred ninety-eight".