680325066 has 24 divisors (see below), whose sum is σ = 1501851780. Its totient is φ = 222495936.

The previous prime is 680325017. The next prime is 680325083. The reversal of 680325066 is 660523086.

It can be written as a sum of positive squares in 2 ways, for example, as 674492841 + 5832225 = 25971^2 + 2415^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 680325066.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 355611 + ... + 357518.

Almost surely, 2^680325066 is an apocalyptic number.

680325066 is an abundant number, since it is smaller than the sum of its proper divisors (821526714).

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

680325066 is a wasteful number, since it uses less digits than its factorization.

680325066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713190 (or 713187 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 680325066 is about 26083.0417321293. The cubic root of 680325066 is about 879.5060356226.

The spelling of 680325066 in words is "six hundred eighty million, three hundred twenty-five thousand, sixty-six".