8106021830 has 16 divisors (see below), whose sum is σ = 14591903760. Its totient is φ = 3242172192.

The previous prime is 8106021829. The next prime is 8106021863. The reversal of 8106021830 is 381206018.

It is a junction number, because it is equal to n+sod(n) for n = 8106021793 and 8106021802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197117 + ... + 234663.

It is an arithmetic number, because the mean of its divisors is an integer number (911993985).

Almost surely, 2^8106021830 is an apocalyptic number.

8106021830 is a deficient number, since it is larger than the sum of its proper divisors (6485881930).

8106021830 is a wasteful number, since it uses less digits than its factorization.

8106021830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59143.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 8106021830 is about 90033.4483955824. The cubic root of 8106021830 is about 2008.7964073887.

Adding to 8106021830 its reverse (381206018), we get a palindrome (8487227848).

The spelling of 8106021830 in words is "eight billion, one hundred six million, twenty-one thousand, eight hundred thirty".