106680656 has 10 divisors (see below), whose sum is σ = 206693802. Its totient is φ = 53340320.

The previous prime is 106680653. The next prime is 106680659. The reversal of 106680656 is 656086601.

It is an interprime number because it is at equal distance from previous prime (106680653) and next prime (106680659).

It can be written as a sum of positive squares in only one way, i.e., 57456400 + 49224256 = 7580^2 + 7016^2 .

It is a super-2 number, since 2×106680656² = 22761524729180672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106680653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3333755 + ... + 3333786.

Almost surely, 2^106680656 is an apocalyptic number.

106680656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

106680656 is a deficient number, since it is larger than the sum of its proper divisors (100013146).

106680656 is an equidigital number, since it uses as much as digits as its factorization.

106680656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6667549 (or 6667543 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 106680656 is about 10328.6328233702. The cubic root of 106680656 is about 474.2731724282.

The spelling of 106680656 in words is "one hundred six million, six hundred eighty thousand, six hundred fifty-six".