106663543 has 6 divisors (see below), whose sum is σ = 124078056. Its totient is φ = 91425852.

The previous prime is 106663541. The next prime is 106663547. The reversal of 106663543 is 345366601.

It is not a de Polignac number, because 106663543 - 2¹ = 106663541 is a prime.

It is a super-2 number, since 2×106663543² = 22754222810625698, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 106663499 and 106663508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106663541) 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 5 ways as a sum of consecutive naturals, for example, 1088355 + ... + 1088452.

It is an arithmetic number, because the mean of its divisors is an integer number (20679676).

Almost surely, 2^106663543 is an apocalyptic number.

106663543 is a deficient number, since it is larger than the sum of its proper divisors (17414513).

106663543 is an equidigital number, since it uses as much as digits as its factorization.

106663543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2176821 (or 2176814 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 106663543 is about 10327.8043649171. The cubic root of 106663543 is about 474.2478111580.

The spelling of 106663543 in words is "one hundred six million, six hundred sixty-three thousand, five hundred forty-three".