208298161 has 8 divisors (see below), whose sum is σ = 222289920. Its totient is φ = 194499648.

The previous prime is 208298137. The next prime is 208298173. The reversal of 208298161 is 161892802.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 208298161 - 2¹³ = 208289969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 208298161.

It is not an unprimeable number, because it can be changed into a prime (208298131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46081 + ... + 50398.

It is an arithmetic number, because the mean of its divisors is an integer number (27786240).

Almost surely, 2^208298161 is an apocalyptic number.

It is an amenable number.

208298161 is a deficient number, since it is larger than the sum of its proper divisors (13991759).

208298161 is a wasteful number, since it uses less digits than its factorization.

208298161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96623.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 208298161 is about 14432.5382729442. The cubic root of 208298161 is about 592.7821877409.

The spelling of 208298161 in words is "two hundred eight million, two hundred ninety-eight thousand, one hundred sixty-one".