82663126475020 has 96 divisors (see below), whose sum is σ = 214423697996928. Its totient is φ = 26067070881792.

The previous prime is 82663126474913. The next prime is 82663126475021. The reversal of 82663126475020 is 2057462136628.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (82663126475021) 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 31 ways as a sum of consecutive naturals, for example, 81480157 + ... + 82488436.

It is an arithmetic number, because the mean of its divisors is an integer number (2233580187468).

Almost surely, 2^{82663126475020} is an apocalyptic number.

It is an amenable number.

82663126475020 is an abundant number, since it is smaller than the sum of its proper divisors (131760571521908).

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

82663126475020 is a wasteful number, since it uses less digits than its factorization.

82663126475020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163968899 (or 163968897 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 52.

The spelling of 82663126475020 in words is "eighty-two trillion, six hundred sixty-three billion, one hundred twenty-six million, four hundred seventy-five thousand, twenty".