680375016481 has 8 divisors (see below), whose sum is σ = 730543515264. Its totient is φ = 631333899840.

The previous prime is 680375016479. The next prime is 680375016493. The reversal of 680375016481 is 184610573086.

It is a happy number.

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 680375016481 - 2¹ = 680375016479 is a prime.

It is a super-2 number, since 2×680375016481² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (680375013481) 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, 281844285 + ... + 281846698.

It is an arithmetic number, because the mean of its divisors is an integer number (91317939408).

Almost surely, 2^680375016481 is an apocalyptic number.

It is an amenable number.

680375016481 is a deficient number, since it is larger than the sum of its proper divisors (50168498783).

680375016481 is a wasteful number, since it uses less digits than its factorization.

680375016481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563691071.

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 680375016481 in words is "six hundred eighty billion, three hundred seventy-five million, sixteen thousand, four hundred eighty-one".