105993656 has 16 divisors (see below), whose sum is σ = 201133800. Its totient is φ = 52357984.

The previous prime is 105993653. The next prime is 105993659. The reversal of 105993656 is 656399501.

It is an interprime number because it is at equal distance from previous prime (105993653) and next prime (105993659).

It is a super-2 number, since 2×105993656² = 22469310224492672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105993653) 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 in 3 ways as a sum of consecutive naturals, for example, 79151 + ... + 80478.

Almost surely, 2^105993656 is an apocalyptic number.

It is an amenable number.

105993656 is a deficient number, since it is larger than the sum of its proper divisors (95140144).

105993656 is a wasteful number, since it uses less digits than its factorization.

105993656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159718 (or 159714 counting only the distinct ones).

The product of its (nonzero) digits is 218700, while the sum is 44.

The square root of 105993656 is about 10295.3220445016. The cubic root of 105993656 is about 473.2529074929.

The spelling of 105993656 in words is "one hundred five million, nine hundred ninety-three thousand, six hundred fifty-six".