105551630 has 16 divisors (see below), whose sum is σ = 194627664. Its totient is φ = 41190720.

The previous prime is 105551629. The next prime is 105551647. The reversal of 105551630 is 36155501.

It is a super-2 number, since 2×105551630² = 22282293191313800, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 105551630.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 128312 + ... + 129131.

It is an arithmetic number, because the mean of its divisors is an integer number (12164229).

Almost surely, 2^105551630 is an apocalyptic number.

105551630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105551630 is a deficient number, since it is larger than the sum of its proper divisors (89076034).

105551630 is a wasteful number, since it uses less digits than its factorization.

105551630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257491.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 105551630 is about 10273.8322937451. The cubic root of 105551630 is about 472.5941210184.

The spelling of 105551630 in words is "one hundred five million, five hundred fifty-one thousand, six hundred thirty".