260581516 has 24 divisors (see below), whose sum is σ = 492014880. Its totient is φ = 120043392.

The previous prime is 260581511. The next prime is 260581597. The reversal of 260581516 is 615185062.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (260581511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25185 + ... + 33991.

It is an arithmetic number, because the mean of its divisors is an integer number (20500620).

Almost surely, 2^260581516 is an apocalyptic number.

260581516 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

260581516 is a deficient number, since it is larger than the sum of its proper divisors (231433364).

260581516 is a wasteful number, since it uses less digits than its factorization.

260581516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9393 (or 9391 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 260581516 is about 16142.5374709183. The cubic root of 260581516 is about 638.7259125443.

The spelling of 260581516 in words is "two hundred sixty million, five hundred eighty-one thousand, five hundred sixteen".