106903618 has 4 divisors (see below), whose sum is σ = 160355430. Its totient is φ = 53451808.

The previous prime is 106903591. The next prime is 106903637. The reversal of 106903618 is 816309601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 816309601 = 131 ⋅6231371.

It can be written as a sum of positive squares in only one way, i.e., 84879369 + 22024249 = 9213^2 + 4693^2 .

It is a super-2 number, since 2×106903618² = 22856767082979848, which contains 22 as substring.

It is an unprimeable number.

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, 26725903 + ... + 26725906.

Almost surely, 2^106903618 is an apocalyptic number.

106903618 is a deficient number, since it is larger than the sum of its proper divisors (53451812).

106903618 is an equidigital number, since it uses as much as digits as its factorization.

106903618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53451811.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 106903618 is about 10339.4205833789. The cubic root of 106903618 is about 474.6033519744.

The spelling of 106903618 in words is "one hundred six million, nine hundred three thousand, six hundred eighteen".