105636172 has 12 divisors (see below), whose sum is σ = 189372456. Its totient is φ = 51529760.

The previous prime is 105636149. The next prime is 105636197. The reversal of 105636172 is 271636501.

It is a super-2 number, since 2×105636172² = 22318001669627168, which contains 22 as substring.

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, 321898 + ... + 322225.

It is an arithmetic number, because the mean of its divisors is an integer number (15781038).

Almost surely, 2^105636172 is an apocalyptic number.

It is an amenable number.

105636172 is a deficient number, since it is larger than the sum of its proper divisors (83736284).

105636172 is a wasteful number, since it uses less digits than its factorization.

105636172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644168 (or 644166 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 105636172 is about 10277.9459037300. The cubic root of 105636172 is about 472.7202627300.

The spelling of 105636172 in words is "one hundred five million, six hundred thirty-six thousand, one hundred seventy-two".