260687916 has 24 divisors (see below), whose sum is σ = 675857840. Its totient is φ = 86895936.

The previous prime is 260687909. The next prime is 260687929. The reversal of 260687916 is 619786062.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1206781 + ... + 1206996.

Almost surely, 2^260687916 is an apocalyptic number.

It is an amenable number.

260687916 is an abundant number, since it is smaller than the sum of its proper divisors (415169924).

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

260687916 is a wasteful number, since it uses less digits than its factorization.

260687916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2413790 (or 2413782 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 260687916 is about 16145.8327750538. The cubic root of 260687916 is about 638.8128350429.

The spelling of 260687916 in words is "two hundred sixty million, six hundred eighty-seven thousand, nine hundred sixteen".