2571220716 has 24 divisors (see below), whose sum is σ = 6011001024. Its totient is φ = 855432720.

The previous prime is 2571220703. The next prime is 2571220721. The reversal of 2571220716 is 6170221752.

2571220716 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2571220716² = 13222351940775105312, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198570 + ... + 211121.

It is an arithmetic number, because the mean of its divisors is an integer number (250458376).

Almost surely, 2^2571220716 is an apocalyptic number.

It is an amenable number.

2571220716 is an abundant number, since it is smaller than the sum of its proper divisors (3439780308).

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

2571220716 is a wasteful number, since it uses less digits than its factorization.

2571220716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410221 (or 410219 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 2571220716 is about 50707.2057601284. The cubic root of 2571220716 is about 1369.9765062482.

The spelling of 2571220716 in words is "two billion, five hundred seventy-one million, two hundred twenty thousand, seven hundred sixteen".