198701054691117 has 32 divisors (see below), whose sum is σ = 291299005831680. Its totient is φ = 119475638568000.

The previous prime is 198701054691103. The next prime is 198701054691151. The reversal of 198701054691117 is 711196450107891.

198701054691117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 198701054691117 - 2²⁴ = 198701037913901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198701054691187) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11483142 + ... + 23005752.

It is an arithmetic number, because the mean of its divisors is an integer number (9103093932240).

Almost surely, 2^{198701054691117} is an apocalyptic number.

It is an amenable number.

198701054691117 is a deficient number, since it is larger than the sum of its proper divisors (92597951140563).

198701054691117 is a wasteful number, since it uses less digits than its factorization.

198701054691117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11526745.

The product of its (nonzero) digits is 3810240, while the sum is 60.

The spelling of 198701054691117 in words is "one hundred ninety-eight trillion, seven hundred one billion, fifty-four million, six hundred ninety-one thousand, one hundred seventeen".