260342416621 has 16 divisors (see below), whose sum is σ = 299477982976. Its totient is φ = 221693262336.

The previous prime is 260342416613. The next prime is 260342416667. The reversal of 260342416621 is 126614243062.

It is not a de Polignac number, because 260342416621 - 2³ = 260342416613 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 (260342416421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8432605 + ... + 8463421.

It is an arithmetic number, because the mean of its divisors is an integer number (18717373936).

Almost surely, 2^260342416621 is an apocalyptic number.

It is an amenable number.

260342416621 is a deficient number, since it is larger than the sum of its proper divisors (39135566355).

260342416621 is a wasteful number, since it uses less digits than its factorization.

260342416621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38668.

The product of its (nonzero) digits is 82944, while the sum is 37.

Adding to 260342416621 its reverse (126614243062), we get a palindrome (386956659683).

The spelling of 260342416621 in words is "two hundred sixty billion, three hundred forty-two million, four hundred sixteen thousand, six hundred twenty-one".