260216688421 has 8 divisors (see below), whose sum is σ = 263131251264. Its totient is φ = 257318273280.

The previous prime is 260216688419. The next prime is 260216688469. The reversal of 260216688421 is 124886612062.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 260216688421 - 2¹ = 260216688419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260216683421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4004515 + ... + 4068976.

It is an arithmetic number, because the mean of its divisors is an integer number (32891406408).

Almost surely, 2^260216688421 is an apocalyptic number.

It is an amenable number.

260216688421 is a deficient number, since it is larger than the sum of its proper divisors (2914562843).

260216688421 is a wasteful number, since it uses less digits than its factorization.

260216688421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8073851.

The product of its (nonzero) digits is 442368, while the sum is 46.

The spelling of 260216688421 in words is "two hundred sixty billion, two hundred sixteen million, six hundred eighty-eight thousand, four hundred twenty-one".