106989656 has 32 divisors (see below), whose sum is σ = 206539200. Its totient is φ = 51935520.

The previous prime is 106989647. The next prime is 106989661. The reversal of 106989656 is 656989601.

It is a super-2 number, since 2×106989656² = 22893572981996672, which contains 22 as substring.

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, 37811 + ... + 40541.

It is an arithmetic number, because the mean of its divisors is an integer number (6454350).

Almost surely, 2^106989656 is an apocalyptic number.

It is an amenable number.

106989656 is a deficient number, since it is larger than the sum of its proper divisors (99549544).

106989656 is a wasteful number, since it uses less digits than its factorization.

106989656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2879 (or 2875 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 50.

The square root of 106989656 is about 10343.5804245919. The cubic root of 106989656 is about 474.7306410042.

Subtracting 106989656 from its reverse (656989601), we obtain a palindrome (549999945).

The spelling of 106989656 in words is "one hundred six million, nine hundred eighty-nine thousand, six hundred fifty-six".