261096760 has 64 divisors (see below), whose sum is σ = 599040000. Its totient is φ = 102404736.

The previous prime is 261096757. The next prime is 261096779. The reversal of 261096760 is 67690162.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 522991 + ... + 523489.

It is an arithmetic number, because the mean of its divisors is an integer number (9360000).

Almost surely, 2^261096760 is an apocalyptic number.

261096760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

261096760 is an abundant number, since it is smaller than the sum of its proper divisors (337943240).

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

261096760 is a wasteful number, since it uses less digits than its factorization.

261096760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740 (or 736 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 261096760 is about 16158.4887907254. The cubic root of 261096760 is about 639.1466165005.

The spelling of 261096760 in words is "two hundred sixty-one million, ninety-six thousand, seven hundred sixty".