260861160 has 128 divisors (see below), whose sum is σ = 905932800. Its totient is φ = 58855680.

The previous prime is 260861131. The next prime is 260861173. The reversal of 260861160 is 61168062.

260861160 = T₃₈₅ + T₃₈₆ + ... + T₁₁₇₄.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64395 + ... + 68325.

It is an arithmetic number, because the mean of its divisors is an integer number (7077600).

Almost surely, 2^260861160 is an apocalyptic number.

260861160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 260861160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (452966400).

260861160 is an abundant number, since it is smaller than the sum of its proper divisors (645071640).

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

260861160 is a wasteful number, since it uses less digits than its factorization.

260861160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4031 (or 4027 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 260861160 is about 16151.1968596758. The cubic root of 260861160 is about 638.9543145377.

The spelling of 260861160 in words is "two hundred sixty million, eight hundred sixty-one thousand, one hundred sixty".