82156671100 has 36 divisors (see below), whose sum is σ = 203748546064. Its totient is φ = 28168001280.

The previous prime is 82156671097. The next prime is 82156671133. The reversal of 82156671100 is 117665128.

It is a self number, because there is not a number n which added to its sum of digits gives 82156671100.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 58682637 + ... + 58684036.

Almost surely, 2^82156671100 is an apocalyptic number.

It is an amenable number.

82156671100 is an abundant number, since it is smaller than the sum of its proper divisors (121591874964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82156671100 is a wasteful number, since it uses less digits than its factorization.

82156671100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117366694 (or 117366687 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 37.

The spelling of 82156671100 in words is "eighty-two billion, one hundred fifty-six million, six hundred seventy-one thousand, one hundred".