680601108290 has 16 divisors (see below), whose sum is σ = 1225441002168. Its totient is φ = 272160663936.

The previous prime is 680601108283. The next prime is 680601108307. The reversal of 680601108290 is 92801106086.

It can be written as a sum of positive squares in 4 ways, for example, as 574786873609 + 105814234681 = 758147^2 + 325291^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9936587 + ... + 10004846.

Almost surely, 2^680601108290 is an apocalyptic number.

680601108290 is a deficient number, since it is larger than the sum of its proper divisors (544839893878).

680601108290 is a wasteful number, since it uses less digits than its factorization.

680601108290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19944853.

The product of its (nonzero) digits is 41472, while the sum is 41.

The spelling of 680601108290 in words is "six hundred eighty billion, six hundred one million, one hundred eight thousand, two hundred ninety".