81056682322 has 64 divisors (see below), whose sum is σ = 153603330048. Its totient is φ = 31161312000.

The previous prime is 81056682277. The next prime is 81056682341. The reversal of 81056682322 is 22328665018.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11640922 + ... + 11647882.

It is an arithmetic number, because the mean of its divisors is an integer number (2400052032).

Almost surely, 2^81056682322 is an apocalyptic number.

81056682322 is a deficient number, since it is larger than the sum of its proper divisors (72546647726).

81056682322 is a wasteful number, since it uses less digits than its factorization.

81056682322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7975.

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 81056682322 in words is "eighty-one billion, fifty-six million, six hundred eighty-two thousand, three hundred twenty-two".