105668438 has 4 divisors (see below), whose sum is σ = 158502660. Its totient is φ = 52834218.

The previous prime is 105668401. The next prime is 105668461. The reversal of 105668438 is 834866501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 834866501 = 7 ⋅119266643.

It is a super-2 number, since 2×105668438² = 22331637578719688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105668395 and 105668404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26417108 + ... + 26417111.

It is an arithmetic number, because the mean of its divisors is an integer number (39625665).

Almost surely, 2^105668438 is an apocalyptic number.

105668438 is a deficient number, since it is larger than the sum of its proper divisors (52834222).

105668438 is an equidigital number, since it uses as much as digits as its factorization.

105668438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52834221.

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 105668438 is about 10279.5154555066. The cubic root of 105668438 is about 472.7683877836.

The spelling of 105668438 in words is "one hundred five million, six hundred sixty-eight thousand, four hundred thirty-eight".