680170206 has 8 divisors (see below), whose sum is σ = 1360340424. Its totient is φ = 226723400.

The previous prime is 680170193. The next prime is 680170207. The reversal of 680170206 is 602071086.

It is a happy number.

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

680170206 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680170207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56680845 + ... + 56680856.

It is an arithmetic number, because the mean of its divisors is an integer number (170042553).

Almost surely, 2^680170206 is an apocalyptic number.

680170206 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

680170206 is a wasteful number, since it uses less digits than its factorization.

680170206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113361706.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 680170206 is about 26080.0729676893. The cubic root of 680170206 is about 879.4392976042.

The spelling of 680170206 in words is "six hundred eighty million, one hundred seventy thousand, two hundred six".