81033410076 has 96 divisors (see below), whose sum is σ = 198132480000. Its totient is φ = 25749696000.

The previous prime is 81033410053. The next prime is 81033410113. The reversal of 81033410076 is 67001433018.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16207425 + ... + 16212423.

It is an arithmetic number, because the mean of its divisors is an integer number (2063880000).

Almost surely, 2^81033410076 is an apocalyptic number.

It is an amenable number.

81033410076 is an abundant number, since it is smaller than the sum of its proper divisors (117099069924).

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

81033410076 is a wasteful number, since it uses less digits than its factorization.

81033410076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5795 (or 5793 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The spelling of 81033410076 in words is "eighty-one billion, thirty-three million, four hundred ten thousand, seventy-six".