81082326032 has 40 divisors (see below), whose sum is σ = 159678529920. Its totient is φ = 39877608960.

The previous prime is 81082326011. The next prime is 81082326037. The reversal of 81082326032 is 23062328018.

It is a junction number, because it is equal to n+sod(n) for n = 81082325983 and 81082326001.

It is not an unprimeable number, because it can be changed into a prime (81082326037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 409469 + ... + 574307.

It is an arithmetic number, because the mean of its divisors is an integer number (3991963248).

Almost surely, 2^81082326032 is an apocalyptic number.

It is an amenable number.

81082326032 is a deficient number, since it is larger than the sum of its proper divisors (78596203888).

81082326032 is a wasteful number, since it uses less digits than its factorization.

81082326032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165351 (or 165345 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 81082326032 in words is "eighty-one billion, eighty-two million, three hundred twenty-six thousand, thirty-two".