105571668 has 12 divisors (see below), whose sum is σ = 246333920. Its totient is φ = 35190552.

The previous prime is 105571643. The next prime is 105571681. The reversal of 105571668 is 866175501.

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

It is a super-2 number, since 2×105571668² = 22290754168604448, which contains 22 as substring.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 4398808 + ... + 4398831.

Almost surely, 2^105571668 is an apocalyptic number.

It is an amenable number.

105571668 is an abundant number, since it is smaller than the sum of its proper divisors (140762252).

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

105571668 is a wasteful number, since it uses less digits than its factorization.

105571668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8797646 (or 8797644 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 105571668 is about 10274.8074434512. The cubic root of 105571668 is about 472.6240249994.

The spelling of 105571668 in words is "one hundred five million, five hundred seventy-one thousand, six hundred sixty-eight".