198080613 has 16 divisors (see below), whose sum is σ = 294147840. Its totient is φ = 131740992.

The previous prime is 198080611. The next prime is 198080627. The reversal of 198080613 is 316080891.

It is not a de Polignac number, because 198080613 - 2¹ = 198080611 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198080611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3220 + ... + 20162.

It is an arithmetic number, because the mean of its divisors is an integer number (18384240).

Almost surely, 2^198080613 is an apocalyptic number.

It is an amenable number.

198080613 is a deficient number, since it is larger than the sum of its proper divisors (96067227).

198080613 is a wasteful number, since it uses less digits than its factorization.

198080613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17385 (or 17379 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 198080613 is about 14074.1114461979. Note that the first 3 decimals coincide. The cubic root of 198080613 is about 582.9267570862.

The spelling of 198080613 in words is "one hundred ninety-eight million, eighty thousand, six hundred thirteen".