2172528716 has 12 divisors (see below), whose sum is σ = 3855474000. Its totient is φ = 1070964720.

The previous prime is 2172528661. The next prime is 2172528737. The reversal of 2172528716 is 6178252712.

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 3 ways as a sum of consecutive naturals, for example, 3824591 + ... + 3825158.

It is an arithmetic number, because the mean of its divisors is an integer number (321289500).

Almost surely, 2^2172528716 is an apocalyptic number.

It is an amenable number.

2172528716 is a deficient number, since it is larger than the sum of its proper divisors (1682945284).

2172528716 is a wasteful number, since it uses less digits than its factorization.

2172528716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7649824 (or 7649822 counting only the distinct ones).

The product of its digits is 94080, while the sum is 41.

The square root of 2172528716 is about 46610.3927895915. The cubic root of 2172528716 is about 1295.1552843709.

The spelling of 2172528716 in words is "two billion, one hundred seventy-two million, five hundred twenty-eight thousand, seven hundred sixteen".