685033816061 has 8 divisors (see below), whose sum is σ = 787269510720. Its totient is φ = 583891551648.

The previous prime is 685033816043. The next prime is 685033816063. The reversal of 685033816061 is 160618330586.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-685033816061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 685033815997 and 685033816015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (685033816063) 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, 273356216 + ... + 273358721.

It is an arithmetic number, because the mean of its divisors is an integer number (98408688840).

Almost surely, 2^685033816061 is an apocalyptic number.

It is an amenable number.

685033816061 is a deficient number, since it is larger than the sum of its proper divisors (102235694659).

685033816061 is a wasteful number, since it uses less digits than its factorization.

685033816061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546715123.

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 685033816061 in words is "six hundred eighty-five billion, thirty-three million, eight hundred sixteen thousand, sixty-one".