260690858160 has 40 divisors (see below), whose sum is σ = 808141661040. Its totient is φ = 69517562112.

The previous prime is 260690858093. The next prime is 260690858189. The reversal of 260690858160 is 61858096062.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 543105715 + ... + 543106194.

It is an arithmetic number, because the mean of its divisors is an integer number (20203541526).

Almost surely, 2^260690858160 is an apocalyptic number.

260690858160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260690858160 is an abundant number, since it is smaller than the sum of its proper divisors (547450802880).

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

260690858160 is a wasteful number, since it uses less digits than its factorization.

260690858160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086211925 (or 1086211919 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 51.

The spelling of 260690858160 in words is "two hundred sixty billion, six hundred ninety million, eight hundred fifty-eight thousand, one hundred sixty".