105266663 has 4 divisors (see below), whose sum is σ = 106992408. Its totient is φ = 103540920.

The previous prime is 105266647. The next prime is 105266687. The reversal of 105266663 is 366662501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 366662501 = 773 ⋅474337.

It is a cyclic number.

It is not a de Polignac number, because 105266663 - 2⁴ = 105266647 is a prime.

It is a super-2 number, since 2×105266663² = 22162140678311138, 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 (105260663) 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, 862781 + ... + 862902.

It is an arithmetic number, because the mean of its divisors is an integer number (26748102).

Almost surely, 2^105266663 is an apocalyptic number.

105266663 is a deficient number, since it is larger than the sum of its proper divisors (1725745).

105266663 is an equidigital number, since it uses as much as digits as its factorization.

105266663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1725744.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 105266663 is about 10259.9543371304. The cubic root of 105266663 is about 472.1684364259.

The spelling of 105266663 in words is "one hundred five million, two hundred sixty-six thousand, six hundred sixty-three".