261160512 has 56 divisors (see below), whose sum is σ = 697382400. Its totient is φ = 86247936.

The previous prime is 261160483. The next prime is 261160519. The reversal of 261160512 is 215061162.

261160512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (261160519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14689 + ... + 27167.

Almost surely, 2^261160512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 261160512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (348691200).

261160512 is an abundant number, since it is smaller than the sum of its proper divisors (436221888).

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

261160512 is a wasteful number, since it uses less digits than its factorization.

261160512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12603 (or 12593 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 261160512 is about 16160.4613795523. The cubic root of 261160512 is about 639.1986324136.

The spelling of 261160512 in words is "two hundred sixty-one million, one hundred sixty thousand, five hundred twelve".