8061356064 has 96 divisors (see below), whose sum is σ = 21989560320. Its totient is φ = 2583072000.

The previous prime is 8061356029. The next prime is 8061356087. The reversal of 8061356064 is 4606531608.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 440407 + ... + 458345.

It is an arithmetic number, because the mean of its divisors is an integer number (229057920).

Almost surely, 2^8061356064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8061356064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10994780160).

8061356064 is an abundant number, since it is smaller than the sum of its proper divisors (13928204256).

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

8061356064 is a wasteful number, since it uses less digits than its factorization.

8061356064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18134 (or 18126 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 8061356064 is about 89785.0547919864. The cubic root of 8061356064 is about 2005.0999893336.

The spelling of 8061356064 in words is "eight billion, sixty-one million, three hundred fifty-six thousand, sixty-four".