8066129085 has 48 divisors (see below), whose sum is σ = 15988976640. Its totient is φ = 3684983040.

The previous prime is 8066129053. The next prime is 8066129101. The reversal of 8066129085 is 5809216608.

It is not a de Polignac number, because 8066129085 - 2⁵ = 8066129053 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 8066129085.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 534676 + ... + 549554.

It is an arithmetic number, because the mean of its divisors is an integer number (333103680).

Almost surely, 2^8066129085 is an apocalyptic number.

It is an amenable number.

8066129085 is a deficient number, since it is larger than the sum of its proper divisors (7922847555).

8066129085 is a wasteful number, since it uses less digits than its factorization.

8066129085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16618 (or 16615 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 8066129085 is about 89811.6311231457. The cubic root of 8066129085 is about 2005.4956422100.

It can be divided in two parts, 80661 and 29085, that added together give a triangular number (109746 = T₄₆₈).

The spelling of 8066129085 in words is "eight billion, sixty-six million, one hundred twenty-nine thousand, eighty-five".