104206656 has 56 divisors (see below), whose sum is σ = 276595840. Its totient is φ = 34624512.

The previous prime is 104206637. The next prime is 104206699. The reversal of 104206656 is 656602401.

It is a congruent 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, 77865 + ... + 79191.

Almost surely, 2^104206656 is an apocalyptic number.

104206656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104206656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138297920).

104206656 is an abundant number, since it is smaller than the sum of its proper divisors (172389184).

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

104206656 is a wasteful number, since it uses less digits than its factorization.

104206656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1751 (or 1741 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 104206656 is about 10208.1661428486. The cubic root of 104206656 is about 470.5782169828.

The spelling of 104206656 in words is "one hundred four million, two hundred six thousand, six hundred fifty-six".