2051663104 has 36 divisors (see below), whose sum is σ = 4099272660. Its totient is φ = 1024839680.

The previous prime is 2051663069. The next prime is 2051663137. The reversal of 2051663104 is 4013661502.

It can be written as a sum of positive squares in 2 ways, for example, as 1975624704 + 76038400 = 44448^2 + 8720^2 .

It is a congruent number.

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, 311364 + ... + 317884.

It is an arithmetic number, because the mean of its divisors is an integer number (113868685).

Almost surely, 2^2051663104 is an apocalyptic number.

It is an amenable number.

2051663104 is a deficient number, since it is larger than the sum of its proper divisors (2047609556).

2051663104 is an equidigital number, since it uses as much as digits as its factorization.

2051663104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7766 (or 7752 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 2051663104 is about 45295.2878785421. The cubic root of 2051663104 is about 1270.6775279994.

The spelling of 2051663104 in words is "two billion, fifty-one million, six hundred sixty-three thousand, one hundred four".