8051066720 has 48 divisors (see below), whose sum is σ = 20139513408. Its totient is φ = 3030988800.

The previous prime is 8051066701. The next prime is 8051066729. The reversal of 8051066720 is 276601508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8051066729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1477256 + ... + 1482695.

It is an arithmetic number, because the mean of its divisors is an integer number (419573196).

Almost surely, 2^8051066720 is an apocalyptic number.

8051066720 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8051066720 is an abundant number, since it is smaller than the sum of its proper divisors (12088446688).

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

8051066720 is a wasteful number, since it uses less digits than its factorization.

8051066720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2959983 (or 2959975 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 8051066720 is about 89727.7366258617. The cubic root of 8051066720 is about 2004.2465370799.

The spelling of 8051066720 in words is "eight billion, fifty-one million, sixty-six thousand, seven hundred twenty".