260667216 has 60 divisors (see below), whose sum is σ = 730943668. Its totient is φ = 86717952.

The previous prime is 260667203. The next prime is 260667229. The reversal of 260667216 is 612766062.

It is an interprime number because it is at equal distance from previous prime (260667203) and next prime (260667229).

It can be written as a sum of positive squares in 2 ways, for example, as 81000000 + 179667216 = 9000^2 + 13404^2 .

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 11 ways as a sum of consecutive naturals, for example, 86796 + ... + 89748.

Almost surely, 2^260667216 is an apocalyptic number.

It is an amenable number.

260667216 is an abundant number, since it is smaller than the sum of its proper divisors (470276452).

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

260667216 is a wasteful number, since it uses less digits than its factorization.

260667216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3580 (or 3571 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 260667216 is about 16145.1917300477. The cubic root of 260667216 is about 638.7959262222.

The spelling of 260667216 in words is "two hundred sixty million, six hundred sixty-seven thousand, two hundred sixteen".