8120654160 has 80 divisors (see below), whose sum is σ = 26268568704. Its totient is φ = 2071353856.

The previous prime is 8120654123. The next prime is 8120654173. The reversal of 8120654160 is 614560218.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 730047 + ... + 741086.

Almost surely, 2^8120654160 is an apocalyptic number.

8120654160 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8120654160 is an abundant number, since it is smaller than the sum of its proper divisors (18147914544).

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

8120654160 is a wasteful number, since it uses less digits than its factorization.

8120654160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1471172 (or 1471166 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 8120654160 is about 90114.6722792687. The cubic root of 8120654160 is about 2010.0043860205.

The spelling of 8120654160 in words is "eight billion, one hundred twenty million, six hundred fifty-four thousand, one hundred sixty".