60685687666 has 8 divisors (see below), whose sum is σ = 93145474224. Its totient is φ = 29637196260.

The previous prime is 60685687649. The next prime is 60685687691. The reversal of 60685687666 is 66678658606.

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

It is a super-3 number, since 3×60685687666³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 60685687598 and 60685687607.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352823680 + ... + 352823851.

It is an arithmetic number, because the mean of its divisors is an integer number (11643184278).

Almost surely, 2^60685687666 is an apocalyptic number.

60685687666 is a deficient number, since it is larger than the sum of its proper divisors (32459786558).

60685687666 is a wasteful number, since it uses less digits than its factorization.

60685687666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705647576.

The product of its (nonzero) digits is 104509440, while the sum is 64.

The spelling of 60685687666 in words is "sixty billion, six hundred eighty-five million, six hundred eighty-seven thousand, six hundred sixty-six".