680415721102 has 16 divisors (see below), whose sum is σ = 1101671519760. Its totient is φ = 313312758912.

The previous prime is 680415721087. The next prime is 680415721109. The reversal of 680415721102 is 201127514086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680415721109) 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, 30207952 + ... + 30230467.

It is an arithmetic number, because the mean of its divisors is an integer number (68854469985).

Almost surely, 2^680415721102 is an apocalyptic number.

680415721102 is a deficient number, since it is larger than the sum of its proper divisors (421255798658).

680415721102 is a wasteful number, since it uses less digits than its factorization.

680415721102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60438867.

The product of its (nonzero) digits is 26880, while the sum is 37.

The spelling of 680415721102 in words is "six hundred eighty billion, four hundred fifteen million, seven hundred twenty-one thousand, one hundred two".