81104108334 has 16 divisors (see below), whose sum is σ = 171749876688. Its totient is φ = 25444426112.

The previous prime is 81104108333. The next prime is 81104108353. The reversal of 81104108334 is 43380140118.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 81104108295 and 81104108304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (81104108333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397569057 + ... + 397569260.

It is an arithmetic number, because the mean of its divisors is an integer number (10734367293).

Almost surely, 2^81104108334 is an apocalyptic number.

81104108334 is an abundant number, since it is smaller than the sum of its proper divisors (90645768354).

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

81104108334 is a wasteful number, since it uses less digits than its factorization.

81104108334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795138339.

The product of its (nonzero) digits is 9216, while the sum is 33.

The spelling of 81104108334 in words is "eighty-one billion, one hundred four million, one hundred eight thousand, three hundred thirty-four".