105643068 has 12 divisors (see below), whose sum is σ = 246500520. Its totient is φ = 35214352.

The previous prime is 105643067. The next prime is 105643141. The reversal of 105643068 is 860346501.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×105643068² = 22320915632905248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105643067) 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, 4401783 + ... + 4401806.

It is an arithmetic number, because the mean of its divisors is an integer number (20541710).

Almost surely, 2^105643068 is an apocalyptic number.

It is an amenable number.

105643068 is an abundant number, since it is smaller than the sum of its proper divisors (140857452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105643068 is a wasteful number, since it uses less digits than its factorization.

105643068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8803596 (or 8803594 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 105643068 is about 10278.2813738485. The cubic root of 105643068 is about 472.7305490045.

Adding to 105643068 its reverse (860346501), we get a palindrome (965989569).

The spelling of 105643068 in words is "one hundred five million, six hundred forty-three thousand, sixty-eight".