260172344066000 has 80 divisors (see below), whose sum is σ = 629186748423168. Its totient is φ = 104054045904000.

The previous prime is 260172344065967. The next prime is 260172344066023. The reversal of 260172344066000 is 660443271062.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4678169 + ... + 23285831.

Almost surely, 2^{260172344066000} is an apocalyptic number.

260172344066000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260172344066000 is an abundant number, since it is smaller than the sum of its proper divisors (369014404357168).

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

260172344066000 is a wasteful number, since it uses less digits than its factorization.

260172344066000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18614677 (or 18614661 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 41.

The spelling of 260172344066000 in words is "two hundred sixty trillion, one hundred seventy-two billion, three hundred forty-four million, sixty-six thousand".