260189598090261 has 32 divisors (see below), whose sum is σ = 399121785702400. Its totient is φ = 147691308688704.

The previous prime is 260189598090229. The next prime is 260189598090263. The reversal of 260189598090261 is 162090895981062.

It is a happy number.

It is not a de Polignac number, because 260189598090261 - 2⁵ = 260189598090229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 260189598090192 and 260189598090201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260189598090263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48222295 + ... + 53345748.

It is an arithmetic number, because the mean of its divisors is an integer number (12472555803200).

Almost surely, 2^{260189598090261} is an apocalyptic number.

260189598090261 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

260189598090261 is a deficient number, since it is larger than the sum of its proper divisors (138932187612139).

260189598090261 is a wasteful number, since it uses less digits than its factorization.

260189598090261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101568865.

The product of its (nonzero) digits is 33592320, while the sum is 66.

The spelling of 260189598090261 in words is "two hundred sixty trillion, one hundred eighty-nine billion, five hundred ninety-eight million, ninety thousand, two hundred sixty-one".