260198208 has 168 divisors, whose sum is σ = 794263080. Its totient is φ = 81285120.

The previous prime is 260198153. The next prime is 260198269. The reversal of 260198208 is 802891062.

260198208 is a `hidden beast` number, since 260 + 198 + 208 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 19079424 + 241118784 = 4368^2 + 15528^2 .

It is a super-2 number, since 2×260198208² = 135406214892822528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 617838 + ... + 618258.

Almost surely, 2^260198208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 260198208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (397131540).

260198208 is an abundant number, since it is smaller than the sum of its proper divisors (534064872).

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

260198208 is a wasteful number, since it uses less digits than its factorization.

260198208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505 (or 492 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 260198208 is about 16130.6604948465. The cubic root of 260198208 is about 638.4125763064.

The spelling of 260198208 in words is "two hundred sixty million, one hundred ninety-eight thousand, two hundred eight".