2051665750 has 16 divisors (see below), whose sum is σ = 3840718752. Its totient is φ = 820666200.

The previous prime is 2051665741. The next prime is 2051665783. The reversal of 2051665750 is 575661502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4103082 + ... + 4103581.

It is an arithmetic number, because the mean of its divisors is an integer number (240044922).

Almost surely, 2^2051665750 is an apocalyptic number.

2051665750 is a deficient number, since it is larger than the sum of its proper divisors (1789053002).

2051665750 is an equidigital number, since it uses as much as digits as its factorization.

2051665750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8206680 (or 8206670 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 37.

The square root of 2051665750 is about 45295.3170868689. The cubic root of 2051665750 is about 1270.6780742572.

The spelling of 2051665750 in words is "two billion, fifty-one million, six hundred sixty-five thousand, seven hundred fifty".