83163830 has 32 divisors (see below), whose sum is σ = 159213600. Its totient is φ = 31168000.

The previous prime is 83163809. The next prime is 83163833. The reversal of 83163830 is 3836138.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83163833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41696 + ... + 43644.

It is an arithmetic number, because the mean of its divisors is an integer number (4975425).

Almost surely, 2^83163830 is an apocalyptic number.

83163830 is a deficient number, since it is larger than the sum of its proper divisors (76049770).

83163830 is a wasteful number, since it uses less digits than its factorization.

83163830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2224.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 83163830 is about 9119.4204859739. The cubic root of 83163830 is about 436.4938817461.

Adding to 83163830 its reverse (3836138), we get a palindrome (86999968).

The spelling of 83163830 in words is "eighty-three million, one hundred sixty-three thousand, eight hundred thirty".