105661383 has 8 divisors (see below), whose sum is σ = 143540208. Its totient is φ = 69111744.

The previous prime is 105661357. The next prime is 105661393. The reversal of 105661383 is 383166501.

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

It is not a de Polignac number, because 105661383 - 2⁵ = 105661351 is a prime.

It is a super-2 number, since 2×105661383² = 22328655714945378, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105661393) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 332110 + ... + 332427.

It is an arithmetic number, because the mean of its divisors is an integer number (17942526).

Almost surely, 2^105661383 is an apocalyptic number.

105661383 is a deficient number, since it is larger than the sum of its proper divisors (37878825).

105661383 is an equidigital number, since it uses as much as digits as its factorization.

105661383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664593.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 105661383 is about 10279.1722915807. The cubic root of 105661383 is about 472.7578660192.

The spelling of 105661383 in words is "one hundred five million, six hundred sixty-one thousand, three hundred eighty-three".