106663393 has 4 divisors (see below), whose sum is σ = 106712320. Its totient is φ = 106614468.

The previous prime is 106663387. The next prime is 106663399. The reversal of 106663393 is 393366601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 393366601 = 191 ⋅2059511.

It is an interprime number because it is at equal distance from previous prime (106663387) and next prime (106663399).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106663393 is a prime.

It is a super-2 number, since 2×106663393² = 22754158812544898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106663399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21033 + ... + 25606.

It is an arithmetic number, because the mean of its divisors is an integer number (26678080).

Almost surely, 2^106663393 is an apocalyptic number.

It is an amenable number.

106663393 is a deficient number, since it is larger than the sum of its proper divisors (48927).

106663393 is an equidigital number, since it uses as much as digits as its factorization.

106663393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48926.

The product of its (nonzero) digits is 52488, while the sum is 37.

The square root of 106663393 is about 10327.7971029644. The cubic root of 106663393 is about 474.2475888478.

The spelling of 106663393 in words is "one hundred six million, six hundred sixty-three thousand, three hundred ninety-three".