105818407 has 8 divisors (see below), whose sum is σ = 110316672. Its totient is φ = 101388000.

The previous prime is 105818371. The next prime is 105818473. The reversal of 105818407 is 704818501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105818407 is a prime.

It is a super-2 number, since 2×105818407² = 22395070520035298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105818497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13768 + ... + 20029.

It is an arithmetic number, because the mean of its divisors is an integer number (13789584).

Almost surely, 2^105818407 is an apocalyptic number.

105818407 is a deficient number, since it is larger than the sum of its proper divisors (4498265).

105818407 is a wasteful number, since it uses less digits than its factorization.

105818407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33929.

The product of its (nonzero) digits is 8960, while the sum is 34.

The square root of 105818407 is about 10286.8074250469. The cubic root of 105818407 is about 472.9919395158.

The spelling of 105818407 in words is "one hundred five million, eight hundred eighteen thousand, four hundred seven".