83556163 has 8 divisors (see below), whose sum is σ = 87072480. Its totient is φ = 80082240.

The previous prime is 83556157. The next prime is 83556199. The reversal of 83556163 is 36165538.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83556163 - 2⁵ = 83556131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83556463) 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 7 ways as a sum of consecutive naturals, for example, 6543 + ... + 14488.

It is an arithmetic number, because the mean of its divisors is an integer number (10884060).

Almost surely, 2^83556163 is an apocalyptic number.

83556163 is a deficient number, since it is larger than the sum of its proper divisors (3516317).

83556163 is a wasteful number, since it uses less digits than its factorization.

83556163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21197.

The product of its digits is 64800, while the sum is 37.

The square root of 83556163 is about 9140.9060273039. The cubic root of 83556163 is about 437.1792051627.

The spelling of 83556163 in words is "eighty-three million, five hundred fifty-six thousand, one hundred sixty-three".