1820648716 has 12 divisors (see below), whose sum is σ = 3194456832. Its totient is φ = 907946768.

The previous prime is 1820648629. The next prime is 1820648777. The reversal of 1820648716 is 6178460281.

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, 592675 + ... + 595738.

It is an arithmetic number, because the mean of its divisors is an integer number (266204736).

Almost surely, 2^1820648716 is an apocalyptic number.

It is an amenable number.

1820648716 is a deficient number, since it is larger than the sum of its proper divisors (1373808116).

1820648716 is a wasteful number, since it uses less digits than its factorization.

1820648716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188800 (or 1188798 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 43.

The square root of 1820648716 is about 42669.0604068100. The cubic root of 1820648716 is about 1221.0741941038.

The spelling of 1820648716 in words is "one billion, eight hundred twenty million, six hundred forty-eight thousand, seven hundred sixteen".