81074106022 has 96 divisors (see below), whose sum is σ = 152579028672. Its totient is φ = 31632187392.

The previous prime is 81074106019. The next prime is 81074106103. The reversal of 81074106022 is 22060147018.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 104882028 + ... + 104882800.

It is an arithmetic number, because the mean of its divisors is an integer number (1589364882).

Almost surely, 2^81074106022 is an apocalyptic number.

81074106022 is a deficient number, since it is larger than the sum of its proper divisors (71504922650).

81074106022 is a wasteful number, since it uses less digits than its factorization.

81074106022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362 (or 1349 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The spelling of 81074106022 in words is "eighty-one billion, seventy-four million, one hundred six thousand, twenty-two".