106656603 has 16 divisors (see below), whose sum is σ = 144458496. Its totient is φ = 69988320.

The previous prime is 106656593. The next prime is 106656629. The reversal of 106656603 is 306656601.

It is not a de Polignac number, because 106656603 - 2⁴ = 106656587 is a prime.

It is a super-2 number, since 2×106656603² = 22751261926999218, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106656643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54976 + ... + 56882.

It is an arithmetic number, because the mean of its divisors is an integer number (9028656).

Almost surely, 2^106656603 is an apocalyptic number.

106656603 is a deficient number, since it is larger than the sum of its proper divisors (37801893).

106656603 is a wasteful number, since it uses less digits than its factorization.

106656603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2194.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 106656603 is about 10327.4683732268. The cubic root of 106656603 is about 474.2375253844.

The spelling of 106656603 in words is "one hundred six million, six hundred fifty-six thousand, six hundred three".