260899170 has 128 divisors (see below), whose sum is σ = 765904896. Its totient is φ = 55520256.

The previous prime is 260899169. The next prime is 260899181. The reversal of 260899170 is 71998062.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 381649 + ... + 382331.

It is an arithmetic number, because the mean of its divisors is an integer number (5983632).

Almost surely, 2^260899170 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 260899170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (382952448).

260899170 is an abundant number, since it is smaller than the sum of its proper divisors (505005726).

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

260899170 is a wasteful number, since it uses less digits than its factorization.

260899170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824.

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 260899170 is about 16152.3735097973. The cubic root of 260899170 is about 638.9853469765.

The spelling of 260899170 in words is "two hundred sixty million, eight hundred ninety-nine thousand, one hundred seventy".