680186866226 has 16 divisors (see below), whose sum is σ = 1166254637184. Its totient is φ = 291453654624.

The previous prime is 680186866217. The next prime is 680186866277. The reversal of 680186866226 is 622668681086.

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, 4506635 + ... + 4655118.

It is an arithmetic number, because the mean of its divisors is an integer number (72890914824).

Almost surely, 2^680186866226 is an apocalyptic number.

680186866226 is a deficient number, since it is larger than the sum of its proper divisors (486067770958).

680186866226 is a wasteful number, since it uses less digits than its factorization.

680186866226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9167065.

The product of its (nonzero) digits is 15925248, while the sum is 59.

The spelling of 680186866226 in words is "six hundred eighty billion, one hundred eighty-six million, eight hundred sixty-six thousand, two hundred twenty-six".