106361861 has 4 divisors (see below), whose sum is σ = 106614924. Its totient is φ = 106108800.

The previous prime is 106361851. The next prime is 106361869. The reversal of 106361861 is 168163601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1196836 + 105165025 = 1094^2 + 10255^2 .

It is a cyclic number.

It is not a de Polignac number, because 106361861 - 2¹⁸ = 106099717 is a prime.

It is a super-2 number, since 2×106361861² = 22625690950766642, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106361869) 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 3 ways as a sum of consecutive naturals, for example, 125900 + ... + 126741.

It is an arithmetic number, because the mean of its divisors is an integer number (26653731).

Almost surely, 2^106361861 is an apocalyptic number.

It is an amenable number.

106361861 is a deficient number, since it is larger than the sum of its proper divisors (253063).

106361861 is an equidigital number, since it uses as much as digits as its factorization.

106361861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253062.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 106361861 is about 10313.1886921553. The cubic root of 106361861 is about 473.8002757819.

The spelling of 106361861 in words is "one hundred six million, three hundred sixty-one thousand, eight hundred sixty-one".