105516506 has 8 divisors (see below), whose sum is σ = 159190164. Its totient is φ = 52453120.

The previous prime is 105516497. The next prime is 105516527. The reversal of 105516506 is 605615501.

It can be written as a sum of positive squares in 2 ways, for example, as 84732025 + 20784481 = 9205^2 + 4559^2 .

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

It is a super-2 number, since 2×105516506² = 22267466076896072, which contains 22 as substring.

It is a Curzon 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, 152135 + ... + 152826.

Almost surely, 2^105516506 is an apocalyptic number.

105516506 is a deficient number, since it is larger than the sum of its proper divisors (53673658).

105516506 is a wasteful number, since it uses less digits than its factorization.

105516506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305136.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 105516506 is about 10272.1227601699. The cubic root of 105516506 is about 472.5416941082.

The spelling of 105516506 in words is "one hundred five million, five hundred sixteen thousand, five hundred six".