260198658 has 24 divisors (see below), whose sum is σ = 564094908. Its totient is φ = 86681952.

The previous prime is 260198657. The next prime is 260198681. The reversal of 260198658 is 856891062.

It can be written as a sum of positive squares in 2 ways, for example, as 255776049 + 4422609 = 15993^2 + 2103^2 .

It is not an unprimeable number, because it can be changed into a prime (260198657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39360 + ... + 45492.

Almost surely, 2^260198658 is an apocalyptic number.

260198658 is an abundant number, since it is smaller than the sum of its proper divisors (303896250).

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

260198658 is a wasteful number, since it uses less digits than its factorization.

260198658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8498 (or 8495 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 260198658 is about 16130.6744434323. The cubic root of 260198658 is about 638.4129443406.

The spelling of 260198658 in words is "two hundred sixty million, one hundred ninety-eight thousand, six hundred fifty-eight".